EPINEPHELUS LANCEOLATUS PDF

More on author: Bloch. Absence in the Persian Gulf is puzzling. This species is distinguished by the following characters: robust body, its width 1. Colour: small juveniles less than 15 cm yellow, with 3 irregular black areas, the first from spinous dorsal fin to belly and chest and extending onto head, the second from base of soft dorsal fin to anal fin and the last at base of caudal fin; subadults cm with irregular white or yellow spots on the black areas and fins with black spots; adults cm dark brown with faint mottling, the fins with numerous small black spots; large adults cm dark brown, fins darker Ref. Individuals more than a meter long have been caught from shore and in harbors.

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Promicrops lanceolatus Bloch, The giant grouper Epinephelus lanceolatus , also known as the brindlebass, brown spotted cod or bumblebee grouper — and as the Queensland groper [1] in Australia , is the largest bony fish found in coral reefs , and the aquatic emblem of Queensland. It also enters estuaries , [2] such as the lowermost part of the Brisbane River.

It reaches up to 2. Due to overfishing , this species has declined drastically in many regions, and as of the mids, it is considered Data Deficient by the IUCN. The giant grouper has a large mouth and a rounded tail. Juveniles have irregular black and yellow markings, while adults are green-grey to grey-brown with faint mottling, with numerous small black spots on the fins.

Reproduction[ edit ] Like most groupers, giant groupers are protogynous hermaphrodites all are born female, but some become male when few males are present. They spawn on a lunar cycle, with spawns lasting about 7 days. They are aggregative broadcast spawners , usually with several females per male. Studies in captive populations suggest that the dominant male and female begin the spawning event as nearly the only spawners for the first day or two, but other members of the aggregation fertilize more eggs as the event progresses, with even the most recently turned males fathering offspring.

Department of Primary Industries. State of New South Wales. July Retrieved May version. Epinephelus lanceolatus. Downloaded on 25 December Retrieved 27 May

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Transport of hatchery-reared and wild grouper larvae, Epinephelus sp. Fisheries Global Information System. Global Aquaculture Production to Online at www. Accessed 5 August FishBase,

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Обычно в расщелинах скал, пещерах в коралловых рифах, возле больших камней и у затонувших кораблей. Молодь и взрослые особи отмечены в эстуариях. Ведут одиночный образ жизни. Груперы активно защищают свою территорию, и могут нанести серьёзные травмы человеку. Питание[ править править код ] Хищник, обычно подстерегает свою жертву в засаде: расщелине скалы, среди камней, в зарослях водорослей или кораллов. Предпочитаемым пищевым объектом являются лангусты. Питается также крабами , различными рыбами, включая мелких акул и скатов , а также молодыми морскими черепахами.

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