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 Nombres comunes | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

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

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

; rango de profundidad 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)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Introducciones

Southeast Atlantic, Western and Antarctic Indian Ocean.

Length at first maturity / Tamaño / Peso / Age

Maturity: L_m 6.3, range 6 - 7.5 cm Max length : 37.0 cm TL macho / no sexado; (Ref. 4); 27 cm TL (female); common length : 28.0 cm TL macho / no sexado; (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 Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

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).

Main reference Referencias | Coordinador | Colaboradores

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

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 07 April 2011

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses

Pesquerías: comercial
FAO - pesquerías: landings | FishSource | Sea Around Us

Herramientas

E-book | Guía de campo

Más información

Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
Stocks
Ecología
Dieta
componentes alimenticios

Nombres comunes
Sinónimos
Despredadores
Reproducción
Madurez
Puesta
Fecundidad
Huevos
Egg development

Age/Size
Crecimiento
Length-weight
Length-length
Morfología
Larva
Abundancia

Referencias
Mass conversion

Colaboradores
Imágenes

Fuentes de Internet

Estimates based on models

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

Resiliencia (Ref. 69278) Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (K=0.06-0.11).

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

Price category (Ref. 80766): Very high.

Jasus paulensis (Heller, 1862)