Mormyrops anguilloides, Cornish jack : fisheries, gamefish

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Mormyrops anguilloides (Linnaeus 1758)

Cornish jack
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Image of Mormyrops anguilloides (Cornish jack)
Mormyrops anguilloides
Picture by de Vos, L.

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

> Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Mormyrops: Greek, mormyros = a fish (Sparus sp) + Greek, ops = appearance (Ref. 45335).  More on author: Linnaeus.

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

; air tawar dasar (demersal); potamodromous (Ref. 51243).   Tropical; 22°C - 24°C (Ref. 12468); 10°S - 21°S

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

Africa: a very wide distribution area which includes most of the West African river basins (Ref. 81274), White Nile River (Ref. 3203), Uebi Shebeli and Juba River (Ref. 3203), and the Congo River basin (Ref. 52193); in southern Africa, restricted to the middle and lower Zambezi, Buzi and Pungwe (Ref. 52193). Also known from Lake Malawi, Lake Tanganyika and Lake Albert [former Lake Mobuto] (Ref. 3203, 52193).

Length at first maturity / Size / Weight / umur

Maturity: Lm 32.5  range ? - ? cm
Max length : 150 cm TL jantan/; (Ref. 2915); Berat maksimum terpublikasi: 15.0 kg (Ref. 52193)

deskripsi pendek Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)): 0; duri punggung lunak (Keseluruhan (total)): 21-33; Duri dubur 0; Sirip dubur lunak: 38 - 51. Diagnosis: head depressed, mouth large and terminal; body elongated (Ref. 13337, 52193). Chin (mental swelling) absent; origin of dorsal fin behind origin of anal fin, nearer caudal fin base than tip of snout; dorsal fin shorter than anal fin; mouth width subequal to snout length: snout long (Ref. 52193). SL/Body depth 4.9-7.5; head 3.4-5.1 times in standard length; snout almost as wide as head; interorbital space wide, head length/interorbital space 2.9-6.8; variation in meristic characteristics due to differences in geographic clines (Ref. 2915).

Biologi     Daftar kata (contoh epibenthic)

Juveniles occur in marginal habitats, adults prefer deep quiet water between boulders and below overhangs, away from strong currents; also occurs beneath Salvinia mats and in river estuaries in Lake Kariba; juveniles prey on invertebrates, mainly shrimps and insect larvae; larger individuals feed on small cichlids, minnows and labeos; may live for 8 years or more; breeds in summer during the rainy season; mature females carry 25000 or more eggs (Ref. 7248, 52193). A fractional spawner (Ref. 10606, 10605). Affinities: M. breviceps.

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

rujukan utama Upload your references | Acuan | Koordinator | mitra

Bigorne, R., 1990. Mormyridae. p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris. (Ref. 2915)

Status IUCN Red List (Ref. 123251)

  kurang bimbang (LC) ; Date assessed: 20 June 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

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

informasi lanjut

Nama-nama umum
Sinonim (persamaan)
metabolisme
Pemangsa
Ekotoksikologi
Reproduksi, perkembang biakan
Kematangan
Pemijahan
Spawning aggregation
Fecundity
telur-telur
pekembangan telor
Umur / Saiz
Pertumbuhan
panjang-berat
panjang-panjang
ukuran frekuensi
Morfometrik
Morfologi
Larva
Dinamika larva
pemulihan
Kelimpahan
BRUVS
Acuan
Budidaya air
profil budidaya air
Strain
Genetika
Frekuensi alel
Diturunkan
Penyakit-penyakit
Pengolahan
Mass conversion
mitra
Gambar
Stamps, Coins Misc.
Suara-suara
Ciguatera
Kecepatan
Tipe renang
Area insang
Otoliths
Otak
Penglihatan / visi

Alat, peralatan

laporan khas

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Sumber internet

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00319 - 0.01039), b=3.02 (2.86 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.8   ±0.61 se; based on food items.
Daya lenting (Ref. 120179):  Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (K=0.08-0.33; tm > 8).
keancaman (Ref. 59153):  Moderate to high vulnerability (47 of 100) .
kategori harga (Ref. 80766):   Unknown.