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Tropical fish images

and the next 50 images... Scroll down to see them all, or click on the image to see more about that species.

Nanochromis transvestitus

Nanochromis transvestitus Males of the species are less colourful than females - note the lack of red on the belly of this individual

Nanochromis transvestitus

Nanochromis transvestitus A male (background) displays to a female in the foreground

Nanochromis transvestitus

Nanochromis transvestitus This image shows the female, with red belly and stripey tail

Julidochromis marlieri

Julidochromis marlieri Like all Julies, J. marlieri prefer a rocky aquarium with plenty of caves and crevices

Xiphophorus helleri

Xiphophorus helleri The red swordtail is a very bright orange-red colour. This young male's sword is a lot smaller than a fully-grown adult.

Xiphophorus helleri

Xiphophorus helleri The green swordtail is the wild-type fish. Only the males having the spectacular sword extension to its tail.

Melanotaenia praecox

Melanotaenia praecox Male dwarf neon rainbows have red fin edges. Females can also have red fin edges, though usually less intense, or orange/yellow

Melanotaenia boesemani

Melanotaenia boesemani These fish are very active, requiring a large tank in which to swim

Melanotaenia boesemani

Melanotaenia boesemani Boesemans rainbow is a stunningly coloured fish, a reason why it is so popular in the aquarium hobby

Pelvicachromis taeniatus

Pelvicachromis taeniatus Nigerian red. The female of this species in breeding colouration. The red belly is used in courting displays; when it is at its reddest the female presents it to the male, shaking it vigourously

Panaque nigrolineatus

Panaque nigrolineatus A very attractive Amazonian catfish

Hemichromis bimaculatus

Hemichromis bimaculatus A pair displaying to each other

Hemichromis bimaculatus

Hemichromis bimaculatus The female Jewel cichlid

Hemichromis bimaculatus

Hemichromis bimaculatus A colourful male

Nannacara anomala

Nannacara anomala A female showing characteristic checkerboard breeding colouration

Nannacara anomala

Nannacara anomala This pair clearly demonstrate the size and colouration differences of each of the sexes

Simpsonichthys magnificus

Simpsonichthys magnificus The female is colourless, with just black spots on her body, and no other patterning

Scleropages formosus

Scleropages formosus A red-tailed golden Arowana

Apistogramma agassizii

Apistogramma agassizii A male Apistogramma aggassizii

Apistogramma agassizii

Apistogramma agassizii A colourful male

Tetraodon mbu

Tetraodon mbu The mbu puffer can reach 2 feet long! Not an ideal home aquarium species

Carinotetraodon irrubesco

Carinotetraodon irrubesco A female red-eye / red-tail pufferfish

Semaprochilodus taeniurus

Semaprochilodus taeniurus This characin is probably too large for most home aquaria

Corydoras melanistius

Corydoras melanistius A group of blue-spotted cory cats

Corydoras schwartzi

Corydoras schwartzi Schwartz's cory cat - Corydoras schwartzi

Limia melanogaster

Limia melanogaster A female Limia melanogaster *blue*

Limia melanogaster

Limia melanogaster A male Limia melanogaster *blue*

Lasiancistrus tentaculatus

Lasiancistrus tentaculatus Lasiancistrus tentaculatus, L092, feeds by rasping on driftwood

Corydoras sterbai

Corydoras sterbai A fine looking Corydoras

Xiphophorus helleri

Xiphophorus helleri Swordtails come in different varieties - pictured is a male lyretail swordtail

Xiphophorus maculatus

Xiphophorus maculatus A terrific black platy

Parambassis pulcinella

Parambassis pulcinella Humphead glassfish

Panaque nigrolineatus

Panaque nigrolineatus The Royal Panaque, L027

Carnegiella strigata strigata

Carnegiella strigata strigata The marbled hatchetfish spends its time at the surface of the aquarium

Corydoras julii

Corydoras julii Corydoras julii

Corydoras haraldschultzi

Corydoras haraldschultzi Corydoras haraldschultzi

Ameca Splendens

Ameca Splendens Also known as the butterfly splitfin. The female (background) has a simple spotted pattern, unlike the colourful male

Ameca Splendens

Ameca Splendens Two male butterfly Goodeids

Hemigrammus armstrongi

Hemigrammus armstrongi The golden, or brass tetra, Hemigrammus armstrongi

Hyphessobrycon bentosi

Hyphessobrycon bentosi Hyphessobrycon bentosi

Brachydanio rerio(frankei)

Brachydanio rerio(frankei) The Leopard danio is closely related to the Zebra danio, Brachydanio rerio

Limia nigrofasciata

Limia nigrofasciata The female Limia nigrofasciata is larger and plumper than the male. Note also the smaller dorsal fin.

Limia nigrofasciata

Limia nigrofasciata A male black-barred Limia

Xiphophorus maculatus

Xiphophorus maculatus This orange platy is one of many colour forms, that are much brighter than the wild fish

Oligancistrus sp. L020

Oligancistrus sp. L020 L number loricariid catfish, L20

Myleus rubripinnis

Myleus rubripinnis The red hook silver dollar. Rubripinnis means "red finned", as can be seen here.

Scatophagus argus

Scatophagus argus The scat comes in different colour forms - pictured here is the Red Tiger scat, sometimes called Scatophagus argus atromaculatus

Papiliochromis ramirezi

Papiliochromis ramirezi Ram cichlid

Brachydanio rerio

Brachydanio rerio A female zebra fish

Hypancistrus sp. L260

Hypancistrus sp. L260 L number loricariid catfish, L260

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Fishkeeping Facts and Tips

Too many fish? Overstocked tanks stress the fish in many ways: competition for food and space, bullying from other fish, deterioration of water quality and increased concentration of disease vectors. A lightly stocked tank will always be easier to care for, with more stable water quality

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