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Coelacanth. Coelacanths (/ ˈsiːləkænθ / ⓘ SEE-lə-kanth) (order Coelacanthiformes) are an ancient group of lobe-finned fish (Sarcopterygii) in the class Actinistia. [2][3] As sarcopterygians, they are more closely related to lungfish and tetrapods (which includes amphibians, reptiles, birds and mammals) than to ray-finned fish.
Latimeria. Latimeria is a rare genus of fish which contains the only living species of coelacanth. It includes two extant species: the West Indian Ocean coelacanth (Latimeria chalumnae) and the Indonesian coelacanth (Latimeria menadoensis). They follow the oldest known living lineage of Sarcopterygii (lobe-finned fish and tetrapods), which ...
The Time Tunnel coloring book; The Time Tunnel Viewmaster set – Saalfield #9561, 1966A story book to color, 80 pages, Sawyer #B491, 1966. Three Viewmaster slides from "Rendezvous With Yesterday" and 16-page story booklet that tells the pilot episode. The Time Tunnel comic book, two issues published by Western Publishing, February and July ...
Evolution of fish. The evolution of fish began about 530 million years ago during the Cambrian explosion. It was during this time that the early chordates developed the skull and the vertebral column, leading to the first craniates and vertebrates. The first fish lineages belong to the Agnatha, or jawless fish.
Tiktaalik. Tiktaalik (/ tɪkˈtɑːlɪk /; Inuktitut ᑎᒃᑖᓕᒃ [tiktaːlik]) is a monospecific genus of extinct sarcopterygian (lobe-finned fish) from the Late Devonian Period, about 375 Mya (million years ago), having many features akin to those of tetrapods (four-legged animals). [1]
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The fish is legally protected through the Minister of Forestry Regulation No. 7/1999. [14] However, it continued to be caught by local fishermen; on November 5, 2014, a fisherman found a specimen in his net, the seventh Indonesian coelacanth found in Indonesian waters since 1998. [15] Eight have been caught as of 2018. [16]
The rendezvous fish has a dark dorsum, with silver flanks and a black pigment on the outer caudal rays. Its length is maximum 26 cm (10 in). It has a large mouth and medium-sized eyes. [7] It has two rows of photophores on its body. [8] It has 10–14 dorsal soft rays, 27–34 anal soft rays and 43–45 vertebrae. [9] [10] It has an adipose fin ...