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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-08-01 and was most recently seen on 2026-08-01.
The longhead catshark or smoothbelly catshark is a species of shark, family Pentanchidae, the deepwater catsharks. This shark has a patchy distribution in the Indo-Pacific from Mozambique to southern Japan to northern Australia. It is found in water between 500 and 1,140 m deep. This species grows to 59 cm (23 in) long, and is characterized by its extremely long and narrow snout, short abdomen, and long anal and caudal fins. In addition, a large area of the anterior ventral portion of its body lacks dermal denticles. The longhead catshark is oviparous. It is the only known cartilaginous fish that is normally hermaphroditic, with the majority of individuals having both the functional reproductive organs of one sex and the undeveloped reproductive organs of the opposite sex.
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