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Sebastes diploproa (Gilbert, 1890)

Splitnose rockfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Sebastes diploproa   AquaMaps   Data sources: GBIF OBIS
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Image of Sebastes diploproa (Splitnose rockfish)
Sebastes diploproa
Picture by Archipelago Marine Research Ltd.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Scorpaeniformes (Scorpionfishes and flatheads) > Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Sebastes: Greek, sebastes = august, venerable (Ref. 45335);  diploproa: From the Greek diploos and prora, meaning 'double' and 'prow' (Ref. 27436).

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

; seewasser bathydemersal; tiefenbereich 0 - 800 m (Ref. 6793), usually 91 - 579 m (Ref. 2850).   Deep-water; 60°N - 27°N, 168°W - 109°W

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

Northeast Pacific: Alaska Peninsula to Cedros Island, Baja California and the Gulf of California in Mexico.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 19.0, range 18 - ? cm
Max length : 46.0 cm TL Männchen/unbestimmt; (Ref. 4925); max. veröff. Gewicht: 810.00 g (Ref. 40637); max. veröff. Alter: 86 Jahre (Ref. 56049)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 13; Rückenflossenweichstrahlen (insgesamt): 11-14; Afterflossenstacheln 3; Afterflossenweichstrahlen: 5 - 8; Wirbelzahl: 26. Head spines strong - nasal, preocular, postocular, tympanic and parietal spines present, supraocular, coronal and nuchal spines absent (Ref. 27437). Toothed knob in front of each upper jaw, deep notch between jaws (Ref. 27437). Caudal fin moderately indented (Ref. 6885). A red rockfish, silver ventrally (Ref. 27437). Branchiostegal rays: 7 (Ref. 36715).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Common offshore, on soft bottoms (Ref. 2850). Young occur in shallow water, often at surface under drifting kelp (Ref. 2850). Viviparous, with planktonic larvae and pelagic juveniles (Ref. 36715, 34817). The biggest individuals are sometimes found in markets where the flesh is sold as rockfish fillet (Ref. 27436). Rarely caught by anglers (Ref. 27436).)

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

Gives birth in spring (Ref. 27436).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Rote Liste Status (Ref. 119314)


CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: weniger kommerziell
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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 4.4 - 8.6, mean 5.9 (based on 131 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00577 - 0.01734), b=3.02 (2.87 - 3.17), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.7   ±0.6 se; Based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 69278):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (tm=5; tmax=86; Fec=14,000).
Verwundbarkeit (Ref. 59153):  High to very high vulnerability (66 of 100) .
Preiskategorie (Ref. 80766):   Medium.