分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Nannostomus: Latin, nannus = small + Greek, stoma = mouth (Ref. 45335); grandis: The species is named after its maximum length. With over 46 mm SL, this is the largest known Nannosomus article. From grandis, meaning "large".
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 大洋性.
South America: Belém in Pará, Brazil.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 4.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 88928)
简单描述
检索表 | 型态特徵 | 形态测量图
Similar to Nannostomus beckfordi but it can be distinguished by having a more elongated body, body depth 4.66-5.35 times in SL (vs. 4.3-5.0 times in SL), head length 4.46 [4.39-4.50] vs. 3. 8 [3.5 to 4.0] times in SL, larger body size, maximum length 46.2 mm SL (vs. max. 35.0 mm SL), and completely different coloration in life (e.g. ventral-fins colorless in Nannostomus grandis vs. with milky white tips in Nannostomus beckfordi) (Ref. 88928).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Zarske, A., 2011. Nannostomus grandis spec. nov. – ein neuer Ziersalmler aus Brasilien mit Bemerkungen zu N. beckfordi GÜNTHER, 1872, N. anomalus STEINDACHNER, 1876 und N. aripirangensis MEINKEN, 1931 (Teleostei: Characiformes: Lebiasinidae). Vertebrate Zoology 61(3):283-298. (Ref. 88928)
世界自然保护联盟红皮书 (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=0.00631 (0.00270 - 0.01474), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
