Species

Polypterus senegalus

A living fossil that breathes air and stalks prey like a tiny armored snake.

Ctenopoma kingsleyae

A long-lived African predator that can outlast almost every fish in your collection.

Epizoanthus arenaceus

A low-light Atlantic zoanthid with a quiet, encrusting presence in reef tanks.

Rasbora caudimaculata

A large, long-lived rasbora with a restless tail and real presence in a big tank.

Pristis microdon

An ancient, river-roaming giant whose rostrum is both weapon and legend.

Elacatinus multifasciatus

A tiny reef cleaner that lives among sea urchin spines in the wild.

Scarus quoyi

A reef grazer that roams coral channels in small, peaceful groups.

Auriglobus nefastus

A freshwater puffer that makes a living stealing scales from other fish.

Palythoa mutuki

A hardy Indo-Pacific zoanthid that earns its place on beginner reef tanks.

Cabomba aquatica

Feathery South American stem plant that thrives in groups and rewards moderate light.

Helioseris cucullata

A low-light Caribbean coral that forgives beginner mistakes and stays reef safe.

Madracis decactis

A compact Atlantic reef builder with distinctive ten-rayed polyps and rich green tones.

Paracheirodon simulans

The neon's lesser-known cousin, with a greener stripe and wilder roots.

Clavularia viridis

A hardy, low-light soft coral that spreads cheerfully across rock and substrate.

Corydoras melanotaenia

A long-bodied, gold-finned cory that's rarer in tanks than it deserves to be.

Microdevario kubotai

A tiny Thai schooler that glows neon green in a well-planted tank.

Aplocheilus blockii

A surface-dwelling predator from India's rice fields and mangrove edges.

Tetraodon fluviatilis

A curious, toothy brackish predator that never stops exploring its tank.

Mecaenichthys immaculatus

A cool-water damselfish from Australian rocky reefs with attentive parenting instincts.

Stiphodon elegans

A jewel-toned goby built for fast, crystal-clear rainforest streams.

Acentrogobius caninus

A bold estuarine goby with a wild secret: it carries tetrodotoxin.

Dichotomyctere nigroviridis

A nippy, curious puffer that gets more belligerent with every passing year.

Nannostomus marilynae

A rare pencilfish that moonlights in cryptic stripes every single night.

Andinoacara rivulatus

A bold, beautiful cichlid that will absolutely rearrange your community tank.

Herichthys carpintis

A pearl-flecked bruiser that rewards bold hobbyists willing to manage its attitude.

Betta chloropharynx

A tiny wild betta from blackwater leaf litter pools, with a throat like no other.

Euphyllia paraglabrescens

Bubble-tipped tentacles that stay open around the clock, day and night.

Xenia viridis

A beginner-friendly soft coral native to New Caledonian reefs.

Maylandia greshakei

A rock-dwelling Malawi cichlid that rewards bold tank management with vivid color.

Chiloscyllium punctatum

A true shark that crawls the seafloor and can survive hours out of water.

Palythoa tuberculosa

A hardy reef flat zoanthid that forms dense, encrusting colonies across the Indo-Pacific.

Notopterus notopterus

A nocturnal predator that outgrows most home aquariums faster than expected.

Apolemichthys griffisi

A rare deep-reef angel that almost never makes it to the hobby.

Pterogorgia guadalupensis

A graceful, branching sea whip from subtropical Atlantic reefs, manageable even for newer reefers.

Corydoras guapore

A corydoras that defies the bottom-dweller stereotype by schooling mid-water.

Roeboides guatemalensis

A scale-nibbling Central American predator with a hauntingly transparent body.