Tristan da Cunha Islands country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Known from the shelf of the islands of the Tristan da Cunha group (viz., Tristan da Cunha, Inaccessible Island, Nightingale Island, and Gough Island) (Ref. 4).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sh.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Holthuis, L.B., 1991
National Database:

Common names from other countries

Tristan-languster, ... more

Classification / Names / Names народные названия | синонимы | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Decapoda (Lobster, shrimp and crabs) > Palinuridae (spiny lobsters)

Environment: milieu / climate zone / depth range / distribution range экология

; пределы глубины 0 - 200 m (Ref. 4), usually 10 - 40 m (Ref. 4). Temperate, preferred 15°C (Ref. 107945); 25°S - 47°S, 13°W - 99°E (Ref. 107486)

распространение страны | регионы FAO | Ecosystems | места находок | интродукции

Southeast Atlantic, Western and Antarctic Indian Ocean.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 6.3, range 6 - 7.5 cm Max length : 37.0 cm TL самец/пол неопределен; (Ref. 4); 27 cm TL (female); common length : 28.0 cm TL самец/пол неопределен; (Ref. 4); common length :21 cm TL (female)

The total body length of largest specimen ever recorded is 37 cm; and the total body length is 14 to 35.5 cm (male) and 9 to 27 cm (female); and carapace lengths of 6 to 14.5 cm (male) and 4 to 10 cm (female); with an average size of 21 to 28 cm (male) and 19 to 21 cm (female). The specimens from Amsterdam are slightly smaller than those from St Paul Island (Ref. 4). Occurs at depths of 0 to 200 m on rocky or gravel bottom, being most numerous in the kelp zone between 10 and 40 m (Ref. 4). Found clinging to overhangs in deep shade underneath huge rocks; also in caves (Ref. 106858). Confined to oceanic islands and seamounts (Ref. 105202). It is nocturnal and feeds on plants and dead animal matter (Ref. 4). Partially vegetarian (Ref. 105260). Reported to exhibit cannibalism among its deep-water populations (Ref. 105202).

Life cycle and mating behavior половая зрелость | размножение | нерест | икра | Fecundity | личинки

May exhibit gynandromorphy (Ref. 10623). Egg-laying starts in May, and ovigerous females have been observed until November, or exceptionally early December. Females are caught from May to October, while males dominate in most catches from November to April (Ref. 4).

Основная ссылка ссылки | координатор | соавторы

Holthuis, L.B. 1991. (Ref. 4)

Статус Красного Списка МСОП (Ref. 130435)

Нехватка данных (DD) ; Date assessed: 07 April 2011

Статус СИТЕС (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Использование человеком

рыболовство: коммерческий
FAO - рыболовство: landings | FishSource | Sea Around Us

инструменты

E-book | полевой определитель

дополнительная информация

страны
регионы FAO
Ecosystems
места находок
интродукции
Stocks
экология
пища
пищевые объекты

народные названия
синонимы
хищники
размножение
половая зрелость
нерест
Fecundity
икра
Развитие икры

Возраст/Размеры
рост
Зависимость между длиной и массой тела
Зависимость между длинами
морфология
личинки
численность

ссылки
Mass conversion

соавторы
изображения

ресурсы в Интернет

Estimates based on models

Preferred temperature (Ref. 115969): 5.5 - 15.3, mean 10.2 (based on 4 cells).

устойчивость к внешним воздействиям (Ref. 69278) низкий, минимальное время удвоения популяции 4.5-14 лет (K=0.06-0.11).

Уязвимость (Ref. 71543): Low to moderate vulnerability (27 of 100).

Категория цены (Ref. 80766): Very high.

Jasus paulensis (Heller, 1862)