klasifikasi / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335); oticus: From the Greek adjective oticus, meaning relative to ear, in reference to the continuous otic and post-otic series of neuromasts, which is diagnostic for this species.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis. Tropical
South America: Verde river drainage, São Francisco River basin in Brazil.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 8.2 cm SL jantan/; (Ref. 97357); 7.1 cm SL (female)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 15 - 18; Sirip dubur lunak: 18 - 21; vertebrata, bertulang belakang: 35 - 36. Cynolebias oticus can be diagnosed from all species of the C. perforatus group by having the otic and post-otic series of neuromasts often united, in close proximity when not united (vs. separated by interspace) and dorsal profile of the head always concave (vs. not concave at least in larger males above 7 cm SL (Ref. 97357).
Occurs in temporary pools of the Verde river drainage, near the village of Pindaí. The region has been highly deforested in recent years, resulting to the extinction of some seasonal killifishes (Cynolebias gilbertoi, C. leptocephalus, Hypsolebias fulminantis) previously inhabiting the area. C. oticus can still be easily found in the area even under such condition (Ref. 97357).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Costa, W.J.E.M., 2014. Six new species of seasonal killifishes of the genus Cynolebias from the São Francisco river basin, Brazilian Caatinga, with notes on C. porosus (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 25(1):79-96. (Ref. 97357)
Status IUCN Red List (Ref. 130435: Version 2024-2)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00396 - 0.02008), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
