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Scombriformes (Mackerels) >
Trichiuridae (Cutlassfishes) > Trichiurinae
Etymology: Trichiurus: Greek, thrix = hair + Greek, oura = tail (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθοπελαγικό. Tropical; 21°N - 6°N, 76°E - 87°E (Ref. 6181)
Indian Ocean: east coast of India from Hooghly estuaries to Gulf of Mannar.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 6181); common length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 6181)
Ραχιαίες άκανθες (συνολικά) : 4; Μαλακές ραχιαίες ακτίνες (συνολικά) : 116 - 129; Μαλακές εδρικές ακτίνες: 85. Body extremely elongate, compressed and tapering to a point. Pelvic and caudal fins absent; anal fin reduced to minute spinules. Anterior margin of the pectoral-fin spine serrated. Fresh specimens bright silvery white with semi-transparent dorsal- and anal-fin membranes; body becomes darker in formalin.
Benthopelagic to pelagic, in coastal waters and estuaries, comes often near the surface at night. Feeds on a wide variety of small fish and crustaceans. Caught mainly with shore seines, bag nets and coastal bottom trawls, mixed with other trichiurids in catches on the east coast of India. Marketed fresh and dried salted.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00191 (0.00078 - 0.00466), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.0 ±0.66 se; based on food items.
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
