Posted by: Posted On:18 Aug 2026
Melanotaenia lacustris Taxonomy Melanotaeniidae is a family of small freshwater fishes restricted to Australia, New Guinea, and a few nearby islands. Melanotaenia is the largest genus in it. Common Names by Region A note on the trade names: “blue rainbowfish”
Posted by: Posted On:5 Aug 2026
Gymnocorymbus ternetzi Taxonomy Kingdom: AnimaliaPhylum: ChordataClass: ActinopterygiiOrder: CharaciformesFamily: CharacidaeGenus: GymnocorymbusSpecies: Gymnocorymbus ternetziBinomial Name: Gymnocorymbus ternetzi (Boulenger, 1895)Ornamental Form: Longfin cultivar (selectively bred; not a distinct taxon) Common Names by Region Black Skirt Tetra (English, North American trade standard)Black Widow Tetra
Posted by: Posted On:28 Jul 2026
Cromileptes altivelis Taxonomy Common Names by Region Description Quick ID Range Habitat & Behavior Diet Reproduction Threats / Conservation / Notes Additional Notes Ecology & Significance In Exhibits & the Aquarium Trade All Cernunnos Foundation materials are free to use
Posted by: Posted On:20 Jul 2026
Neochirus brachypterus X Dendrochirus brachypterus Taxonomy Domain: EukaryotaKingdom: AnimaliaPhylum: ChordataClass: ActinopterygiiOrder: PerciformesSuborder: ScorpaenoideiFamily: ScorpaenidaeSubfamily: PteroinaeTribe: PteroiniGenus: NeochirusSpecies: Neochirus brachyptera (Cuvier, 1829) This species was originally described as Pterois brachyptera and spent most of its modern scientific history as Dendrochirus brachypterus.
Posted by: Posted On:5 Jul 2026
The correction helps a lot — that soft blue body with the faint greenish cast on the flanks, the forked tail, and the single dorsal all hold up. I’m confident on blue-green chromis (Chromis viridis). Here’s the profile, built on
Posted by: Posted On:30 May 2026
Heteroconger hassi Taxonomy Common Names by Region Description General Appearance Heteroconger hassi is a slender, elongated marine eel that spends virtually its entire adult life with the rear two-thirds of its body anchored vertically in a sandy seafloor burrow, the
Posted by: Posted On:6 Apr 2026
Halichoeres bivittatus Taxonomy Common Names by Region Description General Appearance The Slippery Dick is a moderately elongate, laterally compressed wrasse with a pointed snout, thick lips, and a protrusible terminal mouth. Its overall profile is cigar-shaped and streamlined, built for
Posted by: Posted On:6 Mar 2026
Siganus unimaculatus Taxonomy Kingdom: AnimaliaPhylum: ChordataSubphylum: VertebrataInfraphylum: GnathostomataSuperclass: OsteichthyesClass: ActinopterygiiSubclass: NeopterygiiInfraclass: TeleosteiOrder: AcanthuriformesFamily: SiganidaeGenus: SiganusSpecies: Siganus unimaculatus Common Names by Region English Aquarium Trade Description General Appearance The Blotched Foxface Rabbitfish is a brightly colored reef fish known for its
Posted by: Posted On:27 Feb 2026
Cownose Ray Taxonomy Common Names by Region Description Form & Structure The cownose ray has a distinctive, forward-projecting head with two lobes that resemble a cow’s muzzle — hence the common name. Unlike many flat-bodied rays, its pectoral fins are
Posted by: Posted On:13 Feb 2026
Desjardin’s Sailfin Tang Taxonomy Common Names by Region Description Quick ID A laterally compressed tang with a very tall “sail” dorsal fin, a spotted/peppered head, and a body pattern that often shows vertical striping with scattered dots. The tail fin