[13] The details of its life history vary across different parts of its range. The upper teeth are finely serrated and strongly oblique; the lower teeth have a similar shape, though the serrations are smaller and the tips curve gently upward. This shark can be distinguished from similar species in its range by the long furrows at the corners of its mouth, and seven to 15 enlarged pores just above them. Some subpopulations have more complex reproductive cycles than others. The milk shark has a slender body with a long, pointed snout and large eyes, and is a nondescript gray above and white below. The scientific name was later changed to the currently valid name, Rhizoprionodon acutus (Rüppell 1837). Scientific name: Rhizoprionodon acutus; Size Range: Common length — 30–110cm; Size limits on takes: Maximum size 150cm; or interdorsal length 60cm max. Sarangdhar, 1949a. The IUCN is a global union of states, governmental agencies, and non-governmental organizations in a partnership that assesses the conservation status of species. Milk sharks adorable, and there's honestly no denying it! most fin tips slightly pale; juvenile dorsal and upper caudal fin It is an abundant in-shore shark that is popular for subsistence and commercial fishing. The tooth rows are between 24–25 in both jaws. The first dorsal fin is much Scoliodon longmani Ogilby, 1912 They reach sexual maturity between 2 and 3 years. [17] There is some evidence that male and female milk sharks segregate from each other. In some location’s females do outnumber males. A guide to the common sea fishes of Southern Africa. Sexual maturity of male milk sharks is reached at total lengths of 24.8-28.0 inches (63-71 cm) while females reach maturity at 24.4-29.1 inches (62 … Observations on the developmental stages of the smooth dogfish, Eridacnis radcliffei Smith from Gulf of Mannar. Aesthetic Identification: Fusiform and slender, the Milk shark is a small and abundant species of shark. It is caught on longlines, hook-and-line, in bottom trawls, and probably other gear and utilized fresh and possibly dried salted for food and for fishmeal.Remarks:The name 'milk shark' refers to the use of its flesh in India to promote lactation in women.Type material:Lectotype: Naturmuseums Senckenberg, SMF 2783, 440 mm stuffed specimen, designated by Klausewitz (1960:292). Marketing'. Their diet consists of small fishes ( herring, sardines, croaker, The sharks move out of these coastal embayments when they mature. The pectoral, pelvic, anal, and lower caudal fin tips are pale. Occurring from the surface to a depth of 200 m (660 ft), this species is common near beaches and in estuaries, and has been recorded swimming up rivers in Cambodia. The dorsal and upper caudal fins have dusky or blackish edges. They are subject to overfishing, however, since they are resilient and abundant, they are capable or withstanding the heavy fishing. [7] In the Indian Ocean, it occurs from South Africa and Madagascar northward to the Arabian Peninsula, and eastward to South and Southeast Asia. They seem to spend most of their time in small groups or large The Milk shark is viviparous. The German naturalist Eduard Rüppell published the first scientific description of the milk shark, as Carcharias acutus (the specific epithet means "sharp" in Latin), in his 1837 Fische des Rothen Meeres (Fishes of the Red Sea). Milk sharks are viviparous. Behavioral Traits, Sensing and Intelligence: Some research suggests that there is possible segregation by sexes. [16] A known parasite of this species is the copepod Pseudopandarus australis. Diet: The Milk shark feeds primarily on schooling small bony fishes, but will also eat cephalopods and crustaceans. The teeth are similar in both the upper and the lower jaws. [9][15], Many predators feed on the milk shark, including larger sharks such as the blacktip shark (Carcharhinus limbatus) and Australian blacktip shark (Carcharhinus tilstoni), and possibly also marine mammals. Highly nutritious and their meat is lean and very healthy. The maximum length of a male is 175 cm. D'Aubrey and N. Kistnasamy, 1975b. [11] The growth rate for milk sharks off Chennai have been calculated as 10 cm (3.9 in) in the first year, 9 cm (3.5 in) in the second year, 7 cm (2.8 in) in the third year, 6 cm (2.4 in) in the fourth year, 5 cm (2.0 in) in the fifth year, and 3–4 cm (1.2–1.6 in) per year from then on. Cadenat, J. and J. Blache, 1981. How satisfied are you with your experience today?
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