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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.
Mogurnda adspersa (commonly known as the southern purple-spotted gudgeon) is a species of endangered gudgeon that is endemic to south-eastern mainland Australia (the states of South Australia, New South Wales and Victoria and Queensland). [2] [3] The fish is brown, although the shade becomes lighter near its abdomen. Spots of various colours ...
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.
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 ...
Hippocampus – Horse with a fish tail; Ichthyocentaurs – upper body of a man, the lower front of a horse, tail of a fish (Greek) Kelpie – water horse; Morvarc'h – Legendary horse that could gallop on the waves; Nixie – Shapeshifting water being, known for appearing as horses
The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. [1] Tetrapods (under the apomorphy-based definition used on this page) are categorized as animals in the biological superclass Tetrapoda, which includes all living and extinct amphibians, reptiles, birds, and mammals.
The first of the two dorsal fins is spinous, with 4–8 spines; in some species, this fin is completely overgrown with skin and therefore not visible. While the lateral line in lumpsuckers is otherwise reduced or absent, it is well developed in the head; some species even have tubular, whisker-like external projections of the opercular canal ...