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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Myctophinae
Etymology: Krefftichthys: Named for Dr. Gerhard Krefft (Institut fur Seefischerei, Hamburg) for his pioneering work and contributions to the knowledge of deep-sea fishes.
Eponymy: Dr Gerhard Krefft (1912–1993) was a German ichthyologist and herpetologist whose great uncle was Johann Ludwig Gerard Krefft (below). [...] Karl Andreas Andersson (1875–1968) was the zoologist of the Swedish Antarctic Expedition led by Otto Nordenskjöld (1902–1903). [...] (Ref. 128868), visit book page.
More on author: Lönnberg.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut batipelagis; oceanodromus (Ref. 51243); kisaran kedalaman ? - 2700 m (Ref. 58018). Deep-water; 32°S - 78°S
Ranges from the Antarctic Divergence/Weddell-Scotia Confluence to the northern boundary limits (usually considered to coincide with the geographic location of the Subtropical Convergence), and further north in meridional currents: to 32°-33°S in Peruvian Current and to 34°S in Falkland Current.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 7.1 cm SL jantan/; (Ref. 5182)
Duri punggung (Keseluruhan (total)) : 0; duri punggung lunak (Keseluruhan (total)) : 12 - 14; Duri dubur: 0; Sirip dubur lunak: 17 - 20.
Oceanic (Ref. 4066). Found in the upper 50-100 m south of Antarctic Polar Front at night, but deeper (500-600 m) north of Antarctic Polar Front and at depths greater than 1,000 m at Subtropical Convergence. Feeds mainly on copepods, and also on euphausiids and amphipods.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Hulley, P.A., 1990. Myctophidae. p. 146-178. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5182)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00692 (0.00299 - 0.01602), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.1 ±0.19 se; based on food items. |
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Generation time |
1.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Daya lenting (Acuan 120179) |
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |