分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335); occultus: Species name from the Latin occultus, meaning 'hidden', referring to the long time period that this species remained hidden following its discovery (Ref. 97568).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性.
Africa: southern Kordofan in Sudan (Ref. 97568).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 97568)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 15 - 18; 臀棘: 0; 臀鰭軟條: 15 - 18. Diagnosis: Nothobranchius occultus can be distinguished from all other species of the genus Nothobranchius by the following unique combination of characters: 15-18 dorsal fin rays; 15-18 anal fin rays; 26-29 scales in longitudinal series; relatively long pelvic fin, tip reaching anal fin; terminal portion of snout on ventral profile wide and rounded; body, paired and unpaired fins of male completely dark red brown in preserved specimens (Ref. 97568).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Valdesalici, S., 2014. Nothobranchius bellemansi and Nothobranchius occultus (Cyprinodontiformes: Nothobranchiidae) two new annual killifish from Sudan. Killi-Data Ser. 2014:4-19. (Ref. 97568)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
