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 Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

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

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

; tiefenbereich 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)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Einführungen

Southeast Atlantic, Western and Antarctic Indian Ocean.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 6.3, range 6 - 7.5 cm Max length : 37.0 cm TL Männchen/unbestimmt; (Ref. 4); 27 cm TL (female); common length : 28.0 cm TL Männchen/unbestimmt; (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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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).

Hauptreferenz Referenzen | Koordinator | Partner

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

IUCN Rote Liste Status (Ref. 130435)

Daten mangelhaft (DD) ; Date assessed: 07 April 2011

CITES Status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Nutzung durch Menschen

Fischereien: kommerziell
FAO - Fischereien: landings | FishSource | Sea Around Us

Tools

E-book | Feldführer

Mehr Information

Länder
FAO Gebiete
Ecosystems
Vorkommen
Einführungen
Stocks
Ökologie
Nahrung
Nahrungsorganismen

Namen
Synonyme
Räuber
Fortpflanzung
Geschlechtsreife
Ablaichen
Fecundity
Eier
Eientwicklung

Alter/Größe
Wachstum
Länge-Gewicht
Länge-Länge
Morphologie
Larven
Dichte

Referenzen
Mass conversion

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Bilder

Internet Quellen

Estimates based on models

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

Widerstandsfähigkeit (Ref. 69278) niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.06-0.11).

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

Preiskategorie (Ref. 80766): Very high.

Jasus paulensis (Heller, 1862)