Encyclopaedia

Fish atlas

Curated cards for behavior, feeding, and compatibility.

Copy the link or share this page so you can easily find it again.

Explore by category

Visual guide

Filter1,664 cards / 1664

Family

Water type

Origin

Tank level

Sociality

Adult size

Sort by

View

Marine

Easy

©AI Generated·Proprietary

Whitetail Dascyllus

Dascyllus aruanus

Water temp24 - 27 °CpH Value8.1 - 8.4 pHGH15 - 25 dGHKH8 - 12 dKHMinimum tank volume>= 120 LTank levelMiddle/BottomAdult size10 cm

Open card

Wideband anemonefish (Amphiprion latezonatus)

Marine

Advanced

©AI Generated·Proprietary

Wideband anemonefish

Amphiprion latezonatus

Water temp20 - 24 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 150 LTank levelMiddle/BottomAdult size14 cm

Open card

Freshwater

Intermediate

©AI Generated·Proprietary

Wine red betta

Betta tussyae

Water temp22 - 27 °CpH Value4 - 5.5 pHGH1 - 5 dGHKH1 - 2 dKHMinimum tank volume>= 30 LTank levelMiddle/BottomAdult size4.5 cm

Open card

Freshwater

Expert

©AI Generation·Proprietary

Wine-red Betta

Betta coccina

Water temp24 - 28 °CpH Value4 - 6 pHGH1 - 5 dGHKH1 - 2 dKHMinimum tank volume>= 60 LTank levelAll levelsAdult size5 cm

Open card

Winemiller's Eartheater (Geophagus winemilleri)

Freshwater

Intermediate

©AI Generation·Proprietary

Winemiller's Eartheater

Geophagus winemilleri

Water temp26 - 30 °CpH Value5.5 - 7 pHGH1 - 10 dGHKH1 - 5 dKHMinimum tank volume>= 300 LTank levelBottomAdult size25 cm

Open card

Wolf Cardinalfish (Cheilodipterus artus)

Marine

Intermediate

©AI Generated·Proprietary

Wolf Cardinalfish

Cheilodipterus artus

Water temp22 - 28 °CpH Value8.1 - 8.4 pHGH15 - 25 dGHKH8 - 12 dKHMinimum tank volume>= 250 LTank levelMiddle/BottomAdult size18 cm

Open card

Marine

Intermediate

©AI Generated·Proprietary

Wolf fangblenny

Petroscirtes lupus

Water temp21 - 28 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 150 LTank levelAll levelsAdult size13 cm

Open card

Wolf Fish / Traíra (Hoplias malabaricus)

Freshwater

Expert

©AI Generated·Proprietary

Wolf Fish / Traíra

Hoplias malabaricus

Water temp22 - 28 °CpH Value6 - 8 pHGH4 - 15 dGHKH2 - 7 dKHMinimum tank volume>= 500 LTank levelMiddle/BottomAdult size50 cm

Open card

Woodhead's Angelfish (Centropyge woodheadi)

Marine

Intermediate

©AI Generated·Proprietary

Woodhead's Angelfish

Centropyge woodheadi

Water temp22 - 28 °CpH Value7.8 - 8.5 pHKH8 - 12 dKHMinimum tank volume>= 200 LTank levelMiddle/BottomAdult size10 cm

Open card

Wormline Peckoltia (L121/L135) (Peckoltia braueri)

Freshwater

Intermediate

©AI Generation·Proprietary

Wormline Peckoltia (L121/L135)

Peckoltia braueri

Water temp24 - 28 °CpH Value5.5 - 7.2 pHGH1 - 12 dGHKH1 - 6 dKHMinimum tank volume>= 120 LTank levelBottomAdult size14 cm

Open card

Marine

Easy

©AI Generated·Proprietary

Wounded Wrasse

Halichoeres chierchiae

Water temp21 - 25 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 250 LTank levelMiddle/BottomAdult size15 cm

Open card

Freshwater

Intermediate

©AI Generated·Proprietary

Wrestling Halfbeak

Dermogenys pusilla

Water temp24 - 28 °CpH Value7 - 8 pHGH8 - 20 dGHKH6 - 15 dKHMinimum tank volume>= 60 LTank levelMiddle/BottomAdult size7 cm

Open card

Wrought Iron Butterflyfish (Chaetodon daedalma)

Marine

Intermediate

©AI Generated·Proprietary

Wrought Iron Butterflyfish

Chaetodon daedalma

Water temp18 - 23 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 350 LTank levelAll levelsAdult size15 cm

Open card

FreshwaterBrackish

Easy

©AI Generated·Proprietary

X-ray tetra

Pristella maxillaris

Water temp24 - 28 °CpH Value6 - 8 pHGH2 - 20 dGHKH1 - 10 dKHMinimum tank volume>= 40 LTank levelMiddleAdult size5 cm

Open card

Freshwater

Expert

©AI Generated·Proprietary

Xeruin tetra

Tyttobrycon xeruini

Water temp24 - 28 °CpH Value5.5 - 7 pHGH1 - 10 dGHKH1 - 3 dKHMinimum tank volume>= 60 LTank levelMiddle/BottomAdult size2.5 cm

Open card

Freshwater

Easy

©AI Generation·Proprietary

Xingu Cory

Corydoras xinguensis

Water temp22 - 26 °CpH Value6 - 7.2 pHGH2 - 12 dGHKH2 - 10 dKHMinimum tank volume>= 100 LTank levelBottomAdult size4.5 cm

Open card

Xingu Goby Cichlid (Teleocichla centrarchus) (Teleocichla centrarchus)

Freshwater

Advanced

©AI Generated·Proprietary

Xingu Goby Cichlid (Teleocichla centrarchus)

Teleocichla centrarchus

Water temp26 - 30 °CpH Value6 - 7 pHGH1 - 5 dGHKH1 - 2 dKHMinimum tank volume>= 100 LTank levelBottomAdult size7 cm

Open card

Marine

Easy

Yaeyama Blenny

Ecsenius yaeyamaensis

Water temp25 - 28 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 100 LTank levelMiddle/BottomAdult size6 cm

Open card

Yano's Shrimp Goby (Amblyeleotris yanoi)

Marine

Intermediate

Yano's Shrimp Goby

Amblyeleotris yanoi

Water temp22 - 26 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 80 LTank levelBottomAdult size7 cm

Open card

Marine

Easy

Yasha goby

Stonogobiops xanthorhinica

Water temp22 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 60 LTank levelBottomAdult size5.5 cm

Open card

Marine

Intermediate

Yasha goby

Stonogobiops yasha

Water temp22 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 60 LTank levelBottomAdult size5 cm

Open card

Marine

Easy

Yellow Assessor

Assessor flavissimus

Water temp22 - 27 °CpH Value8.1 - 8.4 pHKH8 - 12 dKHMinimum tank volume>= 100 LTank levelAll levelsAdult size7 cm

Open card

Freshwater

Expert

Yellow Boxfish

Ostracion cubicus

Water temp24 - 27 °CpH Value8.1 - 8.4 pHGH15 - 30 dGHKH7 - 15 dKHMinimum tank volume>= 500 LTank levelMiddle/BottomAdult size45 cm

Open card

Yellow Canary Wrasse (Halichoeres leucoxanthus)

Marine

Easy

Yellow Canary Wrasse

Halichoeres leucoxanthus

Water temp22 - 27 °CpH Value8.1 - 8.4 pHMinimum tank volume>= 200 LTank levelMiddle/BottomAdult size12 cm

Open card

Showing 24 of 1,664

Practice with the Atlas

Turn this list into a challenge.

After browsing the species, try recognizing them from photos, names, and traits: leaderboards stay separate from the catalog.

Species challenges