Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Triakinae
Etymology: Triakis: tri-, from tres (L.), three; akis (Gr.), point, referring to each tooth consisting of one large central cusp flanked on by both sides by a small cusplet. (See ETYFish); semifasciata: semi-, from semis (L.), half; fasciatus (L.), banded, referring to striking black saddle marks that cover only dorsal half of body. (See ETYFish).
More on author: Girard.

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

seewasser; brackwasser demersal; tiefenbereich 0 - 156 m (Ref. 96339), usually ? - 6 m (Ref. 55312). Subtropical; 45°N - 19°N, 126°W - 105°W (Ref. 55312)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Eastern Pacific: Oregon, USA to the Gulf of California.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 109.8, range 100 - 129 cm
Max length : 198 cm TL Männchen/unbestimmt; (Ref. 244); 180.0 cm TL (female); common length : 160 cm TL Männchen/unbestimmt; (Ref. ); max. veröff. Gewicht: 18.4 kg (Ref. 40637); max. veröff. Alter: 30 Jahre (Ref. 6145)

Found in shallow water from the intertidal to deeper waters, most commonly in enclosed muddy bays; including estuaries and lagoons (S. Wilson, pers. comm.). Prefer sandy areas, mud flats, and bottoms strewn with rocks near rocky reefs and kelp beds. Feed mainly on crabs, shrimps, bony fish, fish eggs, clam necks and innkeeper worms among a large variety of food in its diet. Form mixed schools. Ovoviviparous (aplacental), with 4 to 29 young in a litter. Utilized fresh or frozen for human consumption.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Females produce 6-24 young, which are 20-23 cm long at birth (Ref. 43439). Ovoviviparous, embryos feed solely on yolk (Ref. 50449).

Hauptreferenz Upload your references | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 18 December 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Warning: mysqli::__construct(): (HY000/1040): Too many connections in /var/www/html/includes/func_getlabel.php on line 46
Can't connect to MySQL database (fbapp). Errorcode: Too many connections

Triakis semifasciata Girard, 1855