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Argentiniformes (Marine smelts) >
Microstomatidae (Pencil smelts)
Etymology: ahlstromi: Named for E.H. Ahlstrom.
Eponymy: Fridtjof Nansen (1861–1930) was a Norwegian explorer, scientist, diplomat and later recipient of the Nobel Peace Prize. [...] Dr Elbert Halvor Ahlstrom (1910–1979) was an ichthyologist and biologist who spent more than four decades working for the National Fisheries Service. [...] (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut batipelagis; kisaran kedalaman 0 - 754 m (Ref. 5123). Deep-water; 35°N - 20°N
Indo-West Pacific.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 9.5 cm SL jantan/; (Ref. 5123)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 8 - 9; Sirip dubur lunak: 7 - 8; vertebrata, bertulang belakang: 35 - 36. Head relatively large than body; eye large. Branchiostegal rays 3. Ratio of caudal peduncle length to caudal peduncle depth less than 1.5 (Ref. 5123).
Body shape (shape guide): elongated; Cross section: oval.
The holotype which is about 9.5 cm SL is an adult bearing eggs (Ref. 5123).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Kawaguchi, K. and J.L. Butler, 1984. Fishes of the genus Nansenia (Microsomatidae) with descriptions of seven new species. Los Angeles County Mus. Contr. Sci. 352:1-22. (Ref. 5123)
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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