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Raja straeleni Poll, 1951

Spotted skate
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Raja straeleni   AquaMaps   Data sources: GBIF OBIS
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Image of Raja straeleni (Spotted skate)
Raja straeleni
Picture by Zsilavecz, G.

klasifikasi / Names Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

Ikan bertulang rawan (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335);  straeleni: Named after V. Van Straelen, director of IRSNB, Belgium (Ref. 377).
More on author: Poll.

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

laut dasar (demersal); oceanodromus; kisaran kedalaman 80 - 800 m (Ref. 11284), usually 100 - 300 m (Ref. 26999). Tropical; 15°N - 30°S

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

Eastern Atlantic: Rio de Oro, Western Sahara to South Africa.

Size / Weight / umur

Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL jantan/; (Ref. 26999); 67.0 cm TL (female); Berat maksimum terpublikasi: 1.4 kg (Ref. 377); Berat maksimum terpublikasi: 1.4 kg

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

A black-spotted skate with a blunt, angular snout, a long, stout tail, and a broad angular disc; strong thorns on upper surface of disc and tail at all stages, sometimes on underside in large individuals (Ref. 5578). Brown to grey dorsally, with small to large black spots, whorls and blotches; many with gold and black, traversely oblong eyespot on each pectoral base; white ventrally with no dark pores (Ref. 5578). Juveniles have no dark spots above (Ref. 2708).

Biologi     Daftar kata (contoh epibenthic)

Found in shallow enclosed bays and on the slope (Ref. 5578). Feeds on invertebrates, bony fishes and fish offal. Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Caught by shore and ski-boat anglers and by hake trawlers. Pectoral fins sold as 'skate wings' (Ref. 5578). Undergoes regular migration, towards the coast during the warm season and towards deep waters in winter (Ref. 5377).

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

rujukan utama Upload your references | Acuan | Koordinator : McEachran, John | mitra

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

Status IUCN Red List (Ref. 130435)

  hampir terancam (NT) (A2bd); Date assessed: 04 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: komersial; Ikan buruan: ya
FAO - Publication: search | FishSource |

informasi lanjut

Trophic ecology
Bahan makanan
Diet compositions
Food consumptions
Food rations
Pemangsa
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
ukuran frekuensi
Mass conversions
Recruitments
Abundances
Life cycle
Reproduksi, perkembang biakan
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinamika larva
Distribution
Negara-negara
Daerah-daerah FAO
Ecosystems
Kemunculan
Introduksi
BRUVS - Videos
Anatomy
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Otak
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Suara-suara ikan
Diseases / Parasites
Toxicities (LC50s)
Genetics
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Strain
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References
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Sumber internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | semak peneliti ikan | CISTI | Catalog of Fishes: Marga, Jenis | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genom, Nukleotida | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: pergi, Cari | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 10.2 - 15.7, mean 12.3 °C (based on 76 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00228 - 0.00578), b=3.21 (3.08 - 3.34), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.0   ±0.62 se; based on food items.
Daya lenting (Ref. 120179):  Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).
kategori harga (Ref. 80766):   Medium.