Your one stop shop for any and all information you may need on the animals in your aquarium. Stats, rewards, feeding, breeding, and whatever you may be needing!
This guide covers the Architect’s Collection expansion. For the original Megaquarium or Freshwater Frenzy animals, check out my other guides at The Ultimate Animal Guide (Original) – [steamcommunity.com] and The Ultimate Animal Guide (Freshwater Frenzy) – [steamcommunity.com] .
Introduction
As the title says, this guide aims to be your one stop shop for all the details you could ever need on your adorable little fishes if (like myself) you want to get into the nitty-gritty details of animal care. Most of this information has been pulled from in-game and the wiki, and personally I’m not a fan of how the game organizes your animals, even after the additional filters that have been added. As such, I aim to make this guide, and finding the information within it, as simple and intuitive as possible.
This guide starts off with two sections on the icons that you will find in the animal information boxes and an alphabetized list of all the animals in the game. The bulk of this guide sorts every single animal in the game by Rank and gives all of their data for your convenience. I have also included my personal recommendations for which animals should be paired up with who, mainly judged by shared food type and skill levels. Feel free to ignore these, as they are completely subjective.
All data has been taken from Normal difficulty. This guide covers the Architect’s Collection expansion, for the other animals, check out my other guides at The Ultimate Animal Guide (Original) – [steamcommunity.com] and The Ultimate Animal Guide (Freshwater Frenzy) – [steamcommunity.com] .
Incidentally if you wish to access the wiki, here is the link: https://megaquarium.fandom.com/wiki/Megaquarium_Wiki – [fandom.com]
Credit goes to user FeelTheDango for the AcidicNeutral, Communal, Explorer and OpenSpace icons which I borrowed and edited for this guide.
Icons (Part 1)
This section will explain about all the icons shown on the animal information screens. Though most of these are self-explanatory, there can be some nuance to the details between different species, especially when it comes to breeding. The icons are organized in the same general order they show up in on the animal information screens, from left to right and up to down.
Prestige: Whenever a guest looks at an animal, there is a % chance that a certain amount of prestige will be generated. The number on the star shows the amount generated, while this guide will show the % chance that this will occur for 1 animal, and the # of animals needed to make that 100%. As an animal grows bigger, the % chance per individual will increase, and sometimes the base Prestige amount can increase as well.
Ecology and Science: Similar to Prestige, these show the # of Ecology or Science points generated whenever a guest looks at this animal. Unlike Prestige however, this is always 100%. Also like Prestige, these amounts change as an animal grows.
Size and Warning Type: On the animal information screen, this shows the base and max size of an animal, designated as # – #. If an animal does not grow, it only shows one number. Also, if an animal has more than two stages of development, you will have to hover the mouse cursor over the Clock icon to see the middle stages (or consult this guide). When hovering over the Warning icon, this designates all animals that do NOT otherwise belong to a special group, such as Crustaceans (so, most of the animals in the game).
Coldwater and Tropical: The temperature of the water this animal requires to survive. The amount of heat or cold generated by your equipment must always be ≥ the size of the tank. Some animals require the temperature to be over the threshold by a certain % to initiate breeding.
Filter Power: Identical to filter power provided by your equipment, these animals will increase the water quality of the tank. The amount is very small, so don’t count on these to make a difference in anything larger than the smallest tank sizes.
Land: The amount of land capacity each individual of this species requires. Each beach tank has a fixed land capacity, regardless of how small or large you make it. Animals requiring land have their size stat halved when calculating the water tank capacity (ex. an animal with 40 only takes up 20 in the tank).
Water Quality: The base quality of the water in the animal’s tank for it to remain healthy, determined by equipment, decorations and the bioload of all resident animals. The formula for calculating the quality has not been made public and is apparently fiendishly complicated, so this guide does not provide details on the animals’ bioload unless specifically noted in-game. Note that water quality above the base threshold can improve the Survival % of an animal’s offspring.
(and others) Food: The type of food this animal eats. Hovering over the icon will show the time interval between feedings, while the individual animal’s information box will show the amount needed per feeding. This value increases as the animal grows. Note that the fry of an animal sometimes has a different diet.
Supplement: This animal will require a supplement every three days. It is always one supplement, and always three days, even after it grows.
Kreisel and Rounded: This animal must reside in a tank of this type to stay healthy. Animals without a tank requirement can live in any type.
Scavenger: This animal is automatically fed when any other animal in the tank is fed and does not affect the water quality of the tank. Animals with this trait will still require food every day, so do not pair them with animals that can go a day or more between feedings.
Lights: How many lights the animal will require it’s tank to have. Some species require lights on their tank to initiate breeding.
Terrain Features: Many animals will need a certain amount of terrain features to feel healthy and at home (or dislikes the feature). From left to right are: Plant, Cave, Rock, Dislikes Rocks, Bogwood, Flat Surface, Floating Cover, Fluffy Foliage and Vertical Surface. Some animals will also require these for breeding purposes, as the fry will live in these objects. Note that all Bogwood decorations will also provide acidity, and some of the Floating Cover decorations have a depth requirement.
Explorer: This animal will require a certain number of different decorations to stay healthy. These are simple to combine with the animal’s innate terrain requirements.
Open Space: The tank this animal resides in must have a continuous unobstructed square area. There must be absolutely no decorations of any kind inside this area.
Icons (Part 2)
Animal Type: Any animal with one of these icons does not belong to the default “Animal” group. From left to right these are: Crustaceans, Starfish, Soft Coral, Stony Coral, Anemone, Clams and Gorgonians.
No Conspecifics: Only one member of this species is recommended per tank, as any more will reduce the health of all members.
Wingman: This species must be paired with another animal with a size of the number shown or greater.
Shoaler: This species needs at least this many individuals (of its own species) per tank to be healthy.
Greedy: Consumes 33% more food and has a 33% increased bioload on the tank.
No Food Competitors: Cannot be housed with another species that eats the same food. Members of the same species are fine.
Wimp and Bully: A species with one of these traits cannot be housed with a species with the other trait.
Communal: This animal needs at least this number of additional species in the same tank.
Congeners: Can only be housed with species of the same group, or cannot be housed with species of the same group.
Active Swimmer: This animal will need its tank to be a minimum size to stay healthy.
Armored: This animal will have a higher effective size when determining whether it can be eaten. Hover over the icon to see the #.
Acidity: All freshwater species will require a certain level of acidity to survive. This icon will indicate either neutral (green) or acidic (red). Some species can live in both.
Biter: This species will decrease the health of any animal not of the same species and at least 3 Size.
Plant Destroyer: This animal has a % chance to damage the plants in the tank. The more Plant Destroyers you have and/or the fewer plants you have will increase the % chance. With enough plants this can always be reduced to 0. Some species will count an individual as multiple Plant Destroyers.
Territorial: The combined size of the individuals of this species in the same tank must not exceed the percentage number shown of the tank’s capacity (ex: a species of size 2 with 5 individuals has a combined size of 10. Therefore if the territorial percentage is 10%, the tank they inhabit must be at least 100 size).
Skill: The higher the skill level of these animals, the longer it will take to feed them. Staff members will need a corresponding high Feeding skill to compensate.
Pairs Only: Members of this species must be kept in multiples of 2, or the single one will lose health.
Nibbler and Nibbleable: Similar to Wimp and Bully, A species with one of these traits cannot be housed with a species with the other trait. Multiple Nibblers will stack the health loss to the Nibbleable.
Warning: Hover over the triangle to see a list of other species that this animal may damage and/or eat. The victims are typically defined by type and a size range.
Hybrid: The offspring of this species have a chance to be a different color and/or pattern. This guide will not cover the process of hybridization, as it is purely aesthetic and not clearly defined.
Heart: Hover over this icon to see the breeding process for this species. This covers the initial requirements to initiate breeding and the offspring’s diet and habitation needs.
Mucus: This offspring will require at least one parent to be present to feed.
Predator: These offspring will lose one Survival % chance for each animal that is size 5 or lower. Sometimes the parents will protect the offspring with an additional base Survival % and sometimes they are Predators as well.
Days until growth: Shows how many days until this individual reaches its next growth stage as long as all of its basic care requirements are satisfied. Hover over the icon to see all of the growth stages and their timeframes.
Freshwater and Saltwater: The water type that this species will need in its tank. Some species can live in both.
Survival: The base survival rate of this offspring. High water quality and parent protection can increase this, while predators and poor basic care will decrease this. This cannot reach 100%.
Eggs: The number of eggs or fry of this offspring. Every day this # will be reduced to the Survival % (ex. 10 eggs and 70% Survival means that the next day there will be 7 eggs).
Alphabetical List
D
Decorator Crab (Rank 6)
G
Garden Eel (Rank 9)
Golden Jack (Rank 9)
J
Japanese Spider Crab (Rank 11)
John Dory (Rank 10)
L
Large Tooth Sawfish (Rank 10)
N
Napoleon Wrasse (Rank 11)
O
Ocean Sunfish (Rank 12)
Oriental Sweetlips (Rank 5)
P
Peacock Mantis Shrimp (Rank 4)
Picasso Triggerfish (Rank 4)
S
Sea Needle (Rank 5)
Steephead Parrotfish (Rank 9)
Surge Wrasse (Rank 8)
T
Tub Gurnard (Rank 7)
Rank 4
Peacock Mantis Shrimp (Crustaceans)
Recommended Tank Mates: Bonnethead Shark, Tassled Wobbegong Shark
57% chance at 1, 100% at 6 | |
4 every 2 days | |
size 1-8 |
Picasso Triggerfish (Triggerfish)
Recommended Tank Mates: Coral Grouper, Panther Grouper, Volitans Lionfish, Zebra Moray Eel
Original Size 4: Â
|
Max Size 8: Â
|
Rank 5
Oriental Sweetlips (Sweetlips)
Recommended Tank Mates: Spotted Eagle Ray
Original Size 5: Â
|
Max Size 9: Â
|
Sea Needle (Schooling Finfish)
Recommended Tank Mates: Atlantic Cod
Original Size 5: Â
|
Max Size 9: Â
|
Rank 6
Decorator Crab (Crustaceans)
Recommended Tank Mates: Copperband Butterfly, Emperor Angelfish, Regal Tang, Surge Wrasse
Original: Â
|
Adorned: Â
|
Rank 7
Tub Gurnard (Lionfish and Scorpionfish)
Recommended Tank Mates: Atlantic Mackerel, Ballan Wrasse, Bull Huss, Cuckoo Wrasse, John Dory
Original Size 6: Â
|
Max Size 13: Â
|
Rank 8
Surge Wrasse (Wrasse)
Recommended Tank Mates: Copperband Butterfly, Decorator Crab, Emperor Angelfish, Regal Tang
Original Size 6: Â
|
Max Size 12: Â
|
Rank 9
Garden Eel (Eels)
Recommended Tank Mates: Purple Queen Anthia
35% chance at 1, 100% at 12 | |
3 every day |
Golden Jack (Schooling Finfish)
Recommended Tank Mates: Bluespotted Ribbontail Ray
Original Size 9: Â
|
Max Size 17: Â
|
Steephead Parrotfish (Parrotfish)
Recommended Tank Mates: Green Turtle
Original Size 10: Â
|
Max Size 20: Â
|
Rank 10
John Dory (Oddballs)
Recommended Tank Mates: Tub Gurnard
Original Size 10: Â
|
Max Size 20: Â
|
Large Tooth Sawfish (Rays)
Recommended Tank Mates: American Paddlefish, Bonnethead Shark, Spotted Eagle Ray
Original Size 9: Â
|
Size 18: Â
|
Size 37: Â
|
Max Size 56: Â
|
Rank 11
Japanese Spider Crab (Crustaceans)
Recommended Tank Mates: Giant Pacific Octopus, Lumpsucker
Original Size 15: Â
|
Size 30: Â
|
Size 55: Â
|
Max Size 80: Â
|
Napoleon Wrasse (Wrasse)
Recommended Tank Mates: Ocean Sunfish
Original Size 16: Â
|
Size 32: Â
|
Size 56: Â
|
Max Size 80: Â
|
Rank 12
Ocean Sunfish (Oddballs)
Recommended Tank Mates: Napoleon Wrasse
Original Size 25: Â
|
Size 50: Â
|
Size 75: Â
|
Max Size 100: Â
|
Hope you enjoy the Guide about Megaquarium – Architect’s Collection & All Animals Information Details Guide, if you think we should add extra information or forget something, please let us know via comment below, and we will do our best to fix or update as soon as possible!
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