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Sebastes diploproa (Gilbert, 1890)

Splitnose rockfish
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Native range | All suitable habitat | Point map | Year 2050
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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.

Mexico country information

Common names: Rocote doble hocico, Rocote doble hocico
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges touth to Cedros I., Baja California, and in the Gulf of California (Ref. 6793). Also Ref. 6885, 11366, 27436, 27437.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mx.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Allen, M.J. and G.B. Smith, 1988
National Database:

Common names from other countries

Rocote doble hocico, Rocote doble hocico, 裂吻平鲉, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Scorpaenoidei (Scorpionfishes) > 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).
  More on author: Gilbert.

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

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

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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

Length at first maturity / Size / Vikt / Age

Maturity: Lm 19.0, range 18 - ? cm
Max length : 46.0 cm TL hane/ej könsbestämd; (Ref. 4925); publicerad maxvikt: 810.00 g (Ref. 40637); rapporterad maxålder: 86 år (Ref. 56049)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 13; Mjukstrålar i ryggfenan (totalt) : 11 - 14; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 5 - 8; Ryggkotor: 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).

Biologi     Ordlista (t.ex. 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 Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Gives birth in spring (Ref. 27436).

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: mindre kommeriell
FAO(Publication : search) | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
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Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
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Estimates based on models

Preferred temperature (Ref. 115969): 4.4 - 8.6, mean 5.9 (based on 131 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00499 - 0.02004), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.5   ±0.39 se; based on food items.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (tm=5; tmax=86; Fec=14,000).
Prior r = 0.12, 95% CL = 0.08 - 0.18, Based on 1 full stock assessment.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100).
Price category (Ref. 80766):   Medium.