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> Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Mormyrus: Greek, mormyros = a fish (Sparus sp) (Ref. 45335).
More on author: Peters.

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

; air tawar dasar (demersal); potamodromous. Tropical; 11°S - 21°S

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

Africa: lower and middle Zambezi, Buzi, Pungwe (Ref. 52193), lower Sabi and Ludi Rivers (Ref. 42505), Luapula-Moero-Bangwelo (Zambian Congo system) (Ref. 42505, 52193). Also known from the Ruvuma and Rufiji rivers in Tanzania (Ref. 7248, 52193), lakes Malawi, Tanganyika (Ref. 4967, 52193) and Rukwa, and other eastward flowing rivers in Tanzania (Ref. 4967).

Length at first maturity / Size / Weight / umur

Maturity: L_m 34.0 range ? - ? cm
Max length : 75.0 cm SL jantan/; (Ref. 52193); Berat maksimum terpublikasi: 10.0 kg (Ref. 52193)

deskripsi pendek Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)): 0; duri punggung lunak (Keseluruhan (total)): 65-75; Duri dubur 0; Sirip dubur lunak: 17 - 19. Diagnosis: dorsal fin greater than twice the length of anal fin; dorsal origin nearer tip of snout than caudal fin base; snout 2-2.5 times in head length; caudal peduncle less than 4 times in standard length (Ref. 52193).

Found in caves and muddy areas, also hides among weeds (Ref. 13337). Favours quiet deep water with a soft muddy bottom (Ref. 52193). Forms shoals (Ref. 13337, 52193). Feeds on weeds (Ref. 5595) and insects but may also feed on small fishes (Ref. 5595, 52193) and fish eggs (Ref. 52193), blood worms (Ref. 13337), small crustaceans and mollusks (Ref. 13337, 52193). Active mainly at night; breeds during the rainy season, moving upstream in rivers after flood spates have receded (Ref. 52193). Migrations appears to occur at irregular interval as this fish is not a powerful swimmer and would not be able to cope with very high water current (Ref. 13337). Females carry 10,000-70,000 eggs; can give a mild shock when caught (Ref. 7248, 52193).

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

rujukan utama Upload your references | Acuan | Koordinator | mitra

Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)

Status IUCN Red List (Ref. 130435)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Other (Ref. 52193)

penggunaan manusia

Perikanan: komersial; Ikan buruan: ya; Akuarium: Komersial

FAO - Publication: search | FishSource |

informasi lanjut

Negara-negara
Daerah-daerah FAO
Ecosystems
Kemunculan
Introduksi
Stocks
Ekologi
Makanan
Bahan makanan
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Jatah

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
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profil budidaya air
Strain
Genetika
Electrophoreses
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Pengolahan
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mitra
Gambar
Stamps, Coins Misc.
Suara-suara
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Area insang
Otoliths
Otak
Penglihatan / visi

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laporan khas

semak penyelenggaraan akuarium | semak helaian fakta spesis | semak helaian fakta aqulcalture

muat turun XML

ringkasan halaman | Point data | Nama-nama umum | fotos/gambar

Sumber internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01318 (0.00717 - 0.02424), b=2.87 (2.71 - 3.03), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.46 se; based on food items.

Generation time: 4.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Daya lenting (Ref. 120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (K=0.22).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).

kategori harga (Ref. 80766): Unknown.

Mormyrus longirostris Peters, 1852