Pethia didi markings rather than one. Pethia didi Pethia didi is a species of cyprinid fish which has only been recorded in the vicinity of Myitkyina and Indawgyi Lake in the north of Myanmar. This is a small fish which can reach a length of SL. It is generally brownish with a dark vertical bar just behind the operculum and a round dark blotch on the caudal peduncle. The species "P. tiantian" – with a range close to "P. didi" – is similarly marked, but "P. didi" can be distinguished by its truncated lateral line, deeper body and longer dorsal fin, with
Caudal luring Caudal luring Caudal luring is the use of tail movements by a predator to attract prey animals that think the tail is a worm or other smaller prey and approach within the striking range of the predator. The definition of caudal /ˈkôdl/ 1. of or like a tail. 2. at or near the tail or the posterior part of the body. Caudal luring is a form of mimicry classified formally as aggressive mimicry, but perhaps better described by the term feeding mimicry. It is also an example of deception in animals. The behaviour is employed by a number of snake