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The 24 currently recognized species in this genus are: [3] Choerodon anchorago (Bloch, 1791) (orange-dotted tuskfish); Choerodon azurio (D. S. Jordan & Snyder, 1901) (Azurio tuskfish)
Porpita porpita, or the blue button, is a marine organism consisting of a colony of hydroids [2] found in the warmer, tropical and sub-tropical waters of the Pacific, [3] Atlantic, and Indian oceans, as well as the Mediterranean Sea and eastern Arabian Sea. [4] It was first identified by Carl Linnaeus in 1758, under the basionym Medusa porpita.
The elusive fish, found in only south-eastern Australia, moves along the riverbed using pectoral fins that look like hands. Photographer captures image of rare fish that walks on its ‘hands ...
Most oceanic species (78 per cent, or 44 per cent of all fish species), live near the shoreline. These coastal fish live on or above the relatively shallow continental shelf. Only 13 per cent of all fish species live in the open ocean, off the shelf. Of these, 1 per cent are epipelagic, 5 per cent are pelagic, and 7 per cent are deep water. [16]
When considering a tang for an aquarium it is important to consider the size to which these fish can grow. Larger species such as the popular Pacific blue tang surgeonfish (of Finding Nemo fame), Naso or lipstick tang, lined surgeonfish , Sohal surgeonfish and Atlantic blue tang surgeonfish can grow to 40 cm (16 in) and require swimming room ...
Purple with a black mask beginning at the mouth and ending at the base of the dorsal fin. 6 cm (2.4 in) Blue assessor: Assessor macneilli: Yes: Entirely navy blue with white edging of the dorsal fin. 7 cm (2.8 in) Royal gramma: Gramma loreto: Yes: Purple head and anterior, abruptly changing to yellow about halfway down the body.
This is the most species-rich of the few marine fish families endemic to the Australian region, with all but three species found there. [8] There are 14 species of handfish around Tasmania. [9] The biology of handfishes is poorly known and their typically small population sizes and restricted distributions make them highly vulnerable to ...
Epinephelus flavocaeruleus is a middle sized fish, it can grow up to a maximum length of 90 cm [3] but average size is usually around 45 cm. [4] It has a deep and compressed body, the standard length being 2.3 to 2.7 times its depth. The preopercle is subangular with enlarged serrations at its angle.