分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Claroteidae (Claroteid catfishes) > Auchenoglanidinae
Etymology: Notoglanidium: Greek, noton = back + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish; diminutive (Ref. 45335); akiri: Named in honour of P.J. Akiri, collector of the type specimens (Ref. 94168).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Africa: Niger Delta and the neighbouring New Calabar River, Bonny River and Imo River in southern Nigeria (Ref. 7324, 50225, 57126, 94168).
非洲: 在奈及利亞南部的顯然是尼日三角州與附近的新 Calabar 與漂亮的河的特有種。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 10.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 50225)
背棘 (總數) : 2; 背的軟條 (總數) : 7; 臀棘: 0; 臀鰭軟條: 10 - 13; 脊椎骨: 36. Diagnosis: Notoglanidium akiri differs from other species in the genus in having: an average interorbital distance, 24.1-32.8% of head length vs. smaller in N. boutchangai, N. depierrei, N. pallidum and N. pembetadi, and larger in N. maculatum and N. thomasi; a large eye diameter, 6.6-10.5% of head length vs. smaller in N. maculatum and N. pallidum; a deep adipose fin, 4.7-7.3% of standard length vs. less deep in other species except N. macrostoma and N. walkeri; an average combined premaxillary tooth plate width, 22.0-26.1% of head length vs. broader in N. boutchangai and N. macrostoma and smaller in allother species except N. depierrei and N. pembetadi; only seven soft branched dorsal-fin rays, vs. more than 8 in N. depierrei, N. maculatum, N. pallidum, N. pembetadi, N. thomasi and N. walkeri; and a high dorsal-fin spine length, 9.8-12.8% of standard length vs. shorter in all other species except N. macrostoma (Ref. 94168).
頭部與身體一般扁平的。 (最大的身體高度 19-25% 的 SL) 吻寬的; 上頜骨前的齒碟寬的, 測量 22-27% 的 HL。 鰓蓋薄膜完全地融合了。 腹鰭 i,5; 臀鰭 iii- iv,7-9; 尾鰭 16-18.(參考文獻 50225)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
非洲: 在奈及利亞南部的顯然是尼日三角州與附近的新 Calabar 與漂亮的河的特有種。
Geerinckx, T., E. Vreven, M. Dierick, L.V. Hoorebeke and D. Adriaens, 2013. Revision of Notoglanidium and related genera (Siluriformes: Claroteidae) based on morphology and osteology. Zootaxa 3691(1):165-191. (Ref. 94168)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 20 August 2019
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00503 - 0.01813), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
