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 Nomes comuns | Sinônimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

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

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

; intervalo de profundidade 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)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Introduções

Southeast Atlantic, Western and Antarctic Indian Ocean.

Length at first maturity / Tamanho / Peso / Idade

Maturity: L_m 6.3, range 6 - 7.5 cm Max length : 37.0 cm TL macho/indeterminado; (Ref. 4); 27 cm TL (female); common length : 28.0 cm TL macho/indeterminado; (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 Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

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).

Referência principal Referências | Coordenador | Colaboradores

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

Status na Lista Vermelha da IUCN (Ref. 130435)

Dados insuficientes (DD) ; Date assessed: 07 April 2011

Status no CITES (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Uso pelos humanos

Pescarias: espécies comerciais
FAO - pescarias: landings | FishSource | Sea Around Us

Ferramentas

E-book | Guia de campo

Mais informação

Países
Áreas FAO
Ecossistemas
Ocorrências
Introduções
Stocks
Ecologia
Dieta
Itens alimentares

Nomes comuns
Sinônimos
Predadores
Reprodução
Maturidade
Desova
Fecundidade
Ovos
Desenvolvimento dos ovos

Idade/Tamanho
Crescimento
Comprimento-peso
Comprimento-comprimento
Morfologia
Larvas
Abundância

Referências
Mass conversion

Colaboradores
Fotos

Fontes da internet

Estimates based on models

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

Resiliência (Ref. 69278) Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (K=0.06-0.11).

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

Categoria de preço (Ref. 80766): Very high.

Jasus paulensis (Heller, 1862)