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Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Stichaeidae (Pricklebacks) > Stichaeinae
Etymology: Ernogrammus: Greek, ernos, -eos, -ous = bud, shoot, descendenat + Greek, gramma = letter, mark, signal (Ref. 45335); walkeri: Named for B.W. Walker (UCLA) who discovered the species.
Eponymy: Professor Dr Boyd Wallace Walker (1917–2001) was an American fisheries biologist; ultimately Professor Emeritus of Zoology-Fisheries at the University of California, Los Angeles, where he worked for over three decades (1949–1980). [...] (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman 1 - 21 m (Ref. 26664). Subtropical
Eastern Central Pacific: California, USA.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 28.8 cm SL jantan/; (Ref. 26664)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 50 - 51; Duri dubur: 2; Sirip dubur lunak: 31 - 33; vertebrata, bertulang belakang: 53 - 55. Tubule processes of the lateral line canals are inclined irregularly, postdorsally, and postventrally; unbanded pectorals; branchiostegal membrane separate from isthmus.
Body shape (shape guide): elongated.
Inhabits the littoral and sublittoral zones; apparently nocturnal and lives in rock crevices (Ref. 26664).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Follett, W.I. and D.C. Powell, 1988. Ernogrammus walkeri, a new species of prickleback (Pisces: Stichaeidae) from south-central California. Copeia 1988(1):135-152. (Ref. 26664)
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 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00380 (0.00166 - 0.00868), b=3.16 (2.96 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High vulnerability (59 of 100). 🛈 |