Species

Halichoeres iridis

A kaleidoscopic reef wrasse that shifts color as it matures.

Badis ruber

A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.

Piaractus brachypomus

A fruit-eating giant that outgrows nearly every home aquarium.

Yasuhikotakia lecontei

A sociable loach with complex group dynamics and real personality to match.

Epalzeorhynchos munense

A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.

Neocirrhites armatus

A vivid red percher that rules its corner of the reef from a favorite rock.

Myloplus rubripinnis

A coin-shaped giant with a bold red fin and a serious appetite for plants.

Anostomus ternetzi

A boldly striped headstander that swims at its own angle. Literally.

Nannostomus mortenthaleri

A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.

Dichotomyctere erythrotaenia

A compact, red-lined puffer from mangrove creeks that thrives in brackish setups.

Aborichthys elongatus

A pebble-stream loach from the Himalayan foothills with a fondness for fast water.

Barbonymus altus

A bold, active schooling barb that quickly outgrows most home aquariums.

Pseudotropheus williamsi

A feisty Malawi cichlid with a vivid orange-red dorsal that demands attention.

Metriaclima estherae

A bold, scrappy cichlid that brings serious color and attitude to the African rift tank.

Erpetoichthys calabaricus

A living fossil with an eel-like body and a lineage older than the dinosaurs.

Apolemichthys guezei

One of the rarest angelfishes in the world, barely known to science or hobby.

Archocentrus spinosissimus

A spiny Central American cichlid from Guatemala's Lake Izabal basin, rarely seen in the hobby.

Haplochromis sauvagei

A Lake Victoria cichlid that hunts snails and insect larvae along rocky shorelines.

Novaculichthys taeniourus

A reef demolition crew in fish form, juvenile and adult look like different species.

Pelvicachromis roloffi

A cave-spawning West African dwarf cichlid with strong pair bonds and subtle charm.

Sahyadria denisonii

The endangered Indian torpedo barb with a vivid red-and-black racing stripe

Pethia conchonius

Hardy, colorful schooling barb that thrives across a wide range of conditions.

Macropodus ocellatus

A cold-hardy labyrinth fish that stays active even under ice.

Centropyge ferrugata

A compact, reef-dwelling dwarf angel with rich rusty coloring and bold personality.

Manonichthys alleni

A cave-dwelling Pacific dottyback with a fondness for living inside tubular sponges.

Brachygobius sabanus

A tiny brackish goby with bold banding and a big territorial attitude.

Zebrasoma veliferum

A reef tang that unfurls its fins like a sail when threatened or showing off.

Zebrasoma velifer

Those enormous fins aren't just for show. They mean business.

Crenuchus spilurus

A solitary little predator with theatrical fin displays and devoted fathering instincts.

Pachypanchax sakaramyi

A montane Malagasy killifish that's gentler than most of its relatives

Percnon gibbesi

A lightning-fast reef crab that never seems to hold still for long.

Cichlasoma salvini

Colorful, compact, and surprisingly ferocious. A Central American cichlid with real attitude.

Neolamprologus sexfasciatus

A boldly striped Tanganyikan predator that demands respect from tankmates and keeper alike.

Thorichthys callolepis

A lesser-known Mexican cichlid from swift, rocky headwaters worth a closer look.

Cyprichromis leptosoma

A mid-water schooling cichlid from Tanganyika with fascinating lekking behavior.

Xanthichthys ringens

A long-lived Atlantic trigger that spends its youth adrift in floating seaweed.