Lamna ditropis, Salmon shark : fisheries, gamefish

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Lamna ditropis Hubbs & Follett, 1947

Salmon shark
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Lamna ditropis   AquaMaps   Data sources: GBIF OBIS
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Image of Lamna ditropis (Salmon shark)
Lamna ditropis
Picture by Murch, A.

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) > Lamniformes (Mackerel sharks) > Lamnidae (Mackerel sharks or white shark)
Etymology: Lamna: From the Greek lamia, a large and voracious shark, originally from Lamia in Greek mythology, daughter of King Belos, who revenged the murder of her children by killing the children of others, and who behaved so cruelly that her face turned into a nightmarish mask. (See ETYFish);  ditropis: di-, from dis (L.), in two; tropis (Gr.), keel, i.e., double-keeled, referring to the rudder-like projections on either side of tail. (See ETYFish).
More on authors: Hubbs & Follett.

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

; Θαλασσινό(ά); ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 0 - 650 m (Ref. 50550), usually 0 - 152 m (Ref. 55221). Boreal; 66°N - 22°N, 120°E - 115°W

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

North Pacific: Japan, Korea, and the Sea of Okhotsk to the Bering Sea and southward to southern California, USA (Ref. 247) and Baja California, Mexico (Ref. 9253).

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - 221 cm
Max length : 305 cm TL αρσενικό/απροσδιόριστο; (Ref. 247); common length : 180 cm TL αρσενικό/απροσδιόριστο; (Ref. 9988); μεγ. δημοσιευμένο βάρος: 175.0 kg (Ref. 9988); μεγ. αναφερόμενη ηλικία: 27 έτη (Ref. 119696)

Short description Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά): 0; Μαλακές ραχιαίες ακτίνες (συνολικά): 0; Εδρικές άκανθες 0; Μαλακές εδρικές ακτίνες: 0. First dorsal fin uniformly dark, no light rear tip; ventral surface of body white with dusky blotches (Ref. 247).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

A coastal-littoral and epipelagic shark that prefers boreal to cool temperate waters, from the surface to at least 152 m, and is common in continental offshore waters but range inshore to just off beaches. Occurs singly or in schools or feeding aggregations of several individuals; feeds on fishes (Ref. 247). Seasonally migratory (following food prey) and segregate by age and sex where adults move further north than young (Ref. 58085). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother (Ref. 50449). With up to 4 young in a litter (Ref. 247). Fast swimmer (Ref. 9988). Potentially dangerous but has never or seldom been implicated in human attacks (Ref. 247). Causes considerable damage to commercial catches and gear (Ref. 6885). Utilized fresh, dried or salted, and frozen; fins, hides and livers are also used, with fins having particular value; can be broiled and baked (Ref. 9988). Reported to attain at least 27 years of age and reach maximum depth of at least 792 m (in Ref. 119696).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Exhibit ovoviparity (aplacental viviparity), with embryos feeding on other ova produced by the mother (oophagy) after the yolk sac is absorbed (Ref. 50449). Litter size is up to 4 young (Ref. 247). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | Αναφορές | Συντονιστής : Compagno, Leonard J.V. | Συνεργάτες

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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 125652)

  Least Concern (LC) ; Date assessed: 06 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Traumatogenic





Human uses

αλιεία: περιορισμένης εμπορικότητας; αλιεία αναψυχής: ναί
FAO - αλιεία: species profile; Publication: search | FishSource |

Περισσότερες πληροφορίες

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Παρουσίες
Εισαγωγές
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Συναθροίσεις γεννοβολίας
Γονιμότητα
Αβγά
Egg development
Age/Size
Αύξηση
Length-weight
Length-length
Length-frequencies
Μορφομετρία
Μορφολογία
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Otoliths
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Διαδικτυακές πηγές

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Γένος, Είδη | DiscoverLife | ECOTOX | FAO - αλιεία: species profile; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Δέντρο Ζωής | Wikipedia: Go, αναζήτηση | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 1.7 - 8.7, mean 4.7 °C (based on 832 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7813   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00409 - 0.02131), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.5   ±0.80 se; based on food items.
Generation time: 6.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Ελαστικότητα (Ref. 120179):  Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (Fec=4).
Fishing Vulnerability (Ref. 59153):  High vulnerability (59 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 6.09 [0.83, 20.16] mg/100g ; Iron = 0.391 [0.096, 1.070] mg/100g ; Protein = 19.3 [17.0, 21.6] % ; Omega3 = 0.391 [0.166, 0.887] g/100g ; Selenium = 18.3 [5.0, 54.2] μg/100g ; VitaminA = 4.85 [1.21, 20.35] μg/100g ; Zinc = 0.221 [0.106, 0.448] mg/100g (wet weight);