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Gnathonemus longibarbis (Hilgendorf, 1888)

Longnose stonebasher
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Image of Gnathonemus longibarbis (Longnose stonebasher)
Gnathonemus longibarbis
Picture by de Vos, L.

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

Ikan bertulan sejati > Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Gnathonemus: Greek, gnathos = jaw + Greek, nema = filament (Ref. 45335).  More on author: Hilgendorf.

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

; air tawar dasar (demersal); potamodromous (Ref. 10608); kisaran kedalaman 27 - 45 m (Ref. 9606).   Tropical

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

Africa: Victoria Nile (Ref. 1880), Lake Kyoga (Ref. 4903), Lake Victoria basin (Ref. 34290), Middle Akagera River system (Ref. 46152), Malagarazi River (Ref. 54847, 98755), Lake Tanganyika (Ref. 45485).

Length at first maturity / Size / Weight / umur

Maturity: Lm ?, range 10 - ? cm
Max length : 36.0 cm TL jantan/; (Ref. 52331)

Biologi     Daftar kata (contoh epibenthic)

In Lake Kyoga abundant among or near water lilies (Ref. 49805) and in Lake Victoria it occurs in shallow, inshore waters over sandy and rocky shores (Ref. 4903, 97924), seasonally over muddy bottoms adjacent to papyrus swamps or deep water near rocky islands (Ref. 9606, 97924). Feeds on bottom and in marginal vegetation; insectivorous (chironomid larvae, Povilla, Odonata larvae), but arthropods, oligochaetes and fish eggs are also eaten (Ref. 12526). Uses sensitive pointed addition to chin for testing holes in mud, papyrus roots and between stones to locate underwater insects (Ref. 36900). Rotates body to almost vertical position, searches substrate and grabs prey into mouth; produces weak electric organ discharge for navigation and to warn off other organisms (Ref. 97924). Oviparous (Ref. 205). Breeds twice a year during the rainy seasons, and migrates up rivers to spawn (Ref. 10608).

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. 119314)

  kurang bimbang (LC) ; Date assessed: 16 December 2015

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: tidak ada kepentingan
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informasi lanjut

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

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00598 - 0.02775), b=2.84 (2.66 - 3.02), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.3 se; Based on size and trophs of closest relatives
Daya lenting (Ref. 69278):  sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Fec = 502).
keancaman (Ref. 59153):  Low to moderate vulnerability (29 of 100) .