Species Profiles
2402 articles- Magnificent Feather Duster (Sabellastarte magnifica) Care GuideSabellastarte magnifica is a large Caribbean sabellid tube worm with a showy radiole crown that filters fine organic particles.
- Hawaiian Feather Duster (Sabellastarte spectabilis) Care GuideSabellastarte spectabilis is a filter-feeding sabellid tube worm with a feathery radiole crown, peaceful and reef-safe.
- Tiger Tail Sea Cucumber (Holothuria impatiens) Care GuideHolothuria impatiens is a slim, banded, nocturnal deposit-feeding sea cucumber that cleans sand and rubble in reef aquariums.
- Sea Apple (Pseudocolochirus violaceus) Care GuidePseudocolochirus violaceus is a colourful filter-feeding sea cucumber that can release lethal holothurin toxin, suited only to experienced k
- Pinkfish Sea Cucumber (Holothuria edulis) Care GuideHolothuria edulis is an Indo-Pacific detritivorous sea cucumber that processes seabed sand, suited to mature reef aquariums.
- Ludwigia helminthorrhiza Care GuideLudwigia helminthorrhiza is a floating aquatic plant of the Onagraceae family from tropical America, with white spongy floating rootlets and
- Ludwigia inclinata var. verticillata 'Cuba 2.0' Care GuideLudwigia inclinata var. verticillata 'Cuba 2.0' is a demanding red South American stem plant (Onagraceae) with whorled leaves needing high l
- Rotala sp. 'Yao Yai' Care GuideRotala sp. 'Yao Yai' is a Thai locality stem plant of the Lythraceae family that turns light red to orange-red under strong light and CO2.
- Rotala sp. 'Pearl' Care GuideRotala sp. 'Pearl' is a small-leaved selection of Rotala macrandra (Lythraceae) that needs strong light, CO2 and nutrients for its pale, col
- Anubias 'Nangi' Care GuideAnubias 'Nangi' is a hybrid epiphyte of the Araceae family, a slow-growing rhizome plant kept attached to wood or rock in shaded freshwater
- Mbipia mbipi Care GuideMbipia mbipi is a rock-dwelling Lake Victoria cichlid from the south-east of the lake, reaching about 13 cm, with maternal mouthbrooding.
- Paralabidochromis chromogynos Care GuideParalabidochromis chromogynos is a Lake Victoria haplochromine cichlid reaching about 11 cm, with marbled males and maternal mouthbrooding.
- Astatotilapia nubila Care GuideAstatotilapia nubila is a hardy Lake Victoria mouthbrooding cichlid in which spawning males turn dark with red fins, reaching about 9 cm.
- Astatotilapia burtoni Care GuideAstatotilapia burtoni is a wide-ranging East African mouthbrooding cichlid of the Lake Tanganyika basin, widely used as a research model org
- Astatotilapia latifasciata Care GuideAstatotilapia latifasciata is a hardy mouthbrooding cichlid endemic to Uganda's Lake Kyoga system, widely traded as "zebra obliquidens".
- Haplochromis obliquidens Care GuideHaplochromis obliquidens is a small algae-grazing cichlid of Lake Victoria and the Victoria Nile, often confused in the trade with Astatotil
- Pundamilia pundamilia Care GuidePundamilia pundamilia is a blue-backed haplochromine cichlid from the Tanzanian part of Lake Victoria, living among boulders and brooding eg
- Pundamilia nyererei Care GuidePundamilia nyererei is a brightly coloured haplochromine cichlid endemic to Lake Victoria, living near rocky shores and brooding eggs in the
- Pom Pom Xenia Care GuidePom Pom Xenia is a Heteroxenia trade variant of the family Xeniidae with rounded pom-pom polyp clusters. It is a photosynthetic, pulsing sof
- Big Pulsing Xenia Care GuideHeteroxenia fuscescens is a larger, strongly pulsing relative of Xenia in the family Xeniidae. It is photosynthetic and forms tall, leafy co
- Long-Stalk Xenia Care GuideXenia elongata is a long-stalked pulsing soft coral of the family Xeniidae. It is photosynthetic, fast-growing and spreads readily in a reef
- Pulsing Xenia Care GuideXenia umbellata is a pulsing soft coral whose polyps rhythmically open and close. It is photosynthetic, fast-growing and can spread aggressi
- Branching Cauliflower Coral Care GuideCladiella sphaerophorum is a hardy branching soft coral with cream-white finger-like lobes. It is photosynthetic and beginner friendly.
- Encrusting Devil's Hand Care GuideLobophytum pauciflorum is an encrusting Indo-Pacific leather coral forming flat pads with finger-like lobes. It is photosynthetic and beginn
- Devil's Hand Leather Coral Care GuideLobophytum crassum is a hardy Indo-Pacific leather coral whose finger-like lobes resemble a hand. It is photosynthetic and well suited to be
- Blue Tuxedo Urchin Care GuideMespilia globulus, the blue tuxedo urchin, is a small Indo-Pacific echinoid with bands of short spines and bare blue-green skin. It is an ef
- Rock Boring Urchin Care GuideEchinometra mathaei is a small Indo-Pacific urchin that bores into rock and coral. It grazes algae but its burrowing causes reef bioerosion.
- Caribbean Long Spine Urchin Care GuideDiadema antillarum is the Caribbean long-spine urchin, a key reef herbivore that suffered a 1983 mass die-off. It is a highly effective alga
- Long Spine Sea Urchin Care GuideDiadema setosum is an Indo-Pacific urchin with very long, mildly venomous black spines. It is an effective algae grazer for large reef tanks
- Asterina Star Care GuideAsterina spp. are tiny starfish that arrive as live-rock hitchhikers and reproduce by splitting. Most graze detritus and algae, but a few ni
- Red Knob Sea Star Care GuideProtoreaster lincki is a western Indian Ocean sea star with bright red tubercles on a grey, grid-patterned body. Like the chocolate chip sta
- Echinodorus paniculatus Care GuideEchinodorus paniculatus is a large traditional Amazon sword with long lanceolate leaves, one of the original 'Amazon swords' of the South Am
- Echinodorus argentinensis Care GuideEchinodorus argentinensis is a robust subtropical sword from southeastern South America with broad ovate leaves, tolerating cooler water tha
- Echinodorus macrophyllus Care GuideEchinodorus macrophyllus is a large marsh sword from Brazil and Bolivia with broad heart-shaped leaves, grown mostly emersed in open tanks a
- Echinodorus martii Care GuideEchinodorus martii, the Ruffled Amazon Sword, has large translucent light-green leaves with bright veins and strongly undulating margins, a
- Echinodorus 'Ozelot Red Diamond' Care GuideEchinodorus 'Ozelot Red Diamond' is a hybrid sword combining the spotted Ozelot trait with deep red Red Diamond colour, valued as a colourfu
- Echinodorus major Care GuideEchinodorus major is a large Brazilian sword with translucent, undulate light-green leaves, a classic specimen rosette for medium to large a
- Echinodorus portoalegrensis Care GuideEchinodorus portoalegrensis is a small Brazilian sword with narrow lance-shaped leaves on short petioles, suited as a foreground or midgroun
- Echinodorus opacus Care GuideEchinodorus opacus is a compact, slow-growing South American sword with thick dark-green leaves, well suited to the midground of soft-water
- Cryptocoryne crispatula var. flaccidifolia Care GuideCryptocoryne crispatula var. flaccidifolia is a long ribbon-leaved Southeast Asian crypt for tall tanks, with softer, more flexible leaves t
- Neolamprologus savoryi Care GuideNeolamprologus savoryi is a small lamprologine cichlid endemic to Lake Tanganyika, living in sediment-rich rocky zones and breeding in caves
- Lobochilotes labiatus Care GuideLobochilotes labiatus is a large thick-lipped Lake Tanganyika cichlid, the only species in its genus, feeding on invertebrates from rock cre
- Lepidiolamprologus cunningtoni Care GuideLepidiolamprologus cunningtoni is a large predatory Lake Tanganyika cichlid of sandy areas that digs crater-shaped nests and preys on fish.
- Lepidiolamprologus attenuatus Care GuideLepidiolamprologus attenuatus is a slim predatory Lake Tanganyika cichlid of sandy areas that digs crater-shaped nests and preys on fish.
- Lepidiolamprologus elongatus Care GuideLepidiolamprologus elongatus is a slender predatory Lake Tanganyika cichlid of rocky areas, a fish-eater that spawns in small caves.
- Ophthalmotilapia nasuta Care GuideOphthalmotilapia nasuta is a featherfin cichlid endemic to Lake Tanganyika, a plankton-feeder and maternal mouthbrooder reaching about 20 cm
- Ophthalmotilapia ventralis Care GuideOphthalmotilapia ventralis is a featherfin cichlid from the southern end of Lake Tanganyika, a plankton-feeder and maternal mouthbrooder.
- Cyathopharynx furcifer Care GuideCyathopharynx furcifer is a large featherfin cichlid endemic to Lake Tanganyika, a plankton-picker of rocky slopes that broods young in the
- Aulonocranus dewindti Care GuideAulonocranus dewindti is the only species in its genus, a plankton-feeding Lake Tanganyika cichlid of sandy bottoms that forms large schools
- Xenotilapia papilio Care GuideXenotilapia papilio is a small Lake Tanganyika cichlid of deeper sand-covered rock, where pairs defend territories and both parents mouthbro