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Ikan bertulang rawan (sharks and rays) > Carcharhiniformes (Ground sharks) > Pseudotriakidae (False catsharks)
Etymology: Pseudotriakis: pseudo-, from pseudes (Gr.), false, i.e., although this genus may superficially resemble Triakis (Triakidae), such an appearance is false. (See ETYFish); microdon: micro-, from mikros (Gr.), small; odon (Gr.), tooth, referring to numerous small teeth (>200 rows in each jaw). (See ETYFish).

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

laut batidemersal; kisaran kedalaman 173 - 1890 m (Ref. 58302). Deep-water; 64°N - 48°S, 98°W - 153°W

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

Western Atlantic: New York and New Jersey, USA. Reported from Cuba (Ref. 26340); including Brazil (Ref. 53443). Northeast Atlantic: Atlantic slope off Iceland, France, Portugal, Madeira, Azores, Senegal, and Cape Verde. Indian Ocean: Aldabra Island group and Western Australia (Ref. 13565). Pacific Ocean: Japan, Taiwan, New Zealand, and Hawaii (Ref. 13565).

Length at first maturity / Size / Weight / umur

Maturity: L_m 253.5, range 210 - 295 cm
Max length : 269 cm TL jantan/; (Ref. 244); 295.0 cm TL (female)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)) : 0; Duri dubur: 0. Lower lobe of caudal fin hardly developed, its upper edge not rippled and a subterminal notch present (Ref. 13565). Uniformly dark brownish-grey, darker on posterior edges of pelvic, dorsal, anal and caudal fins (Ref. 13565).

Found on the continental and insular slopes, occasionally wandering onto continental shelves (Ref. 13565). Inactive and sluggish (Ref. 13565). Probably eats bony fishes, elasmobranchs and invertebrates (Ref. 244). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother, uterine milk is consumed additionally (Ref. 50449). Pups number 2 to 4 in a litter (Ref. 244), size at birth between 70 (Ref. 244) and 140 cm TL (Ref. 13565). Caught very rarely by deepwater demersal longline fisheries in some areas. Utilized for its fins (limited value), meat and cartilage (Ref.58048).

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

Exhibit ovoviparity (aplacental viviparity), embryos feed on yolk and ova, also consume uterine milk (Ref. 50449) with 2-4 young in a litter (Ref. 13565; Ref.58048). Size at birth between 70 and 85 cm (Ref. 26346 reports it at about 140 cm TL). Distinct pairing with embrace (Ref. 205).

rujukan utama Upload your references | Acuan | Koordinator | mitra

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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Status IUCN Red List (Ref. 130435)

kurang bimbang (LC) ; Date assessed: 13 May 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless

penggunaan manusia

Perikanan: perikanan swasembada

FAO - Publication: search | FishSource | Sea Around Us

informasi lanjut

Trophic ecology
Bahan makanan
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Food consumptions
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Ecology
Ekologi

Population dynamics
Growths
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Length-weight rel.
Length-length rel.
ukuran frekuensi
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Life cycle
Reproduksi, perkembang biakan
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Egg(s)
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Distribution
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profil budidaya air
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laporan khas

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Sumber internet

Estimates based on models

Preferred temperature (Ref. 123201): 4.8 - 12.7, mean 8.2 °C (based on 793 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00047 (0.00023 - 0.00095), b=3.29 (3.10 - 3.48), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 4.3 ±0.5 se; based on diet studies.

Daya lenting (Ref. 120179): sangat rendah, Waktu penggandaan populasi minimum lebih dari 14 tahun (K=0.17; Fec=2).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

kategori harga (Ref. 80766): Unknown.

Pseudotriakis microdon de Brito Capello, 1868