分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Beloniformes (Needle fishes) >
Zenarchopteridae (Internally fertilized halfbeaks)
Etymology: Nomorhamphus: Greek, nema = filament + Greek, rhamphos = bill, peak (Ref. 45335); rossi: Named for Charles ‘Andy’ Ross, herpetologist, who collected all the specimens of this species.
Eponymy: Charles Andrew ‘Andy’ Ross (1953–2011) was a herpetologist and palaeontologist at the Department of Vertebrate Zoology, the Smithsonian, where he was a specialist on crocodilians. [...] (Ref. 128868), visit book page.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 外洋の. Tropical
Asia: Philippines.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 4.7 cm SL オス/雌雄の選別がない; (Ref. 44897); 10.0 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10 - 12; 臀鰭: 14 - 17; 脊つい: 39 - 41. This species is distinguished by the following characters: the second anal-fin ray in males in which segment five is greatly elongate, comprising one half of the ray; spiculus is thick, unsegmented distally; it is offset dorsally at about one fourth its length, with distal tip pointed ventrally (Ref. 44897).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Meisner, A.D., 2001. Phylogenetic systematics of the viviparous halfbeak genera Dermogenys and Nomorhamphus (Teleostei: Hemiramphidae: Zenarchopterinae). Zool. J. Linn. Soc. 133:199-283. (Ref. 44897)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
絶滅危惧 (EN) (B1ab(iii)); Date assessed: 27 March 2020
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00201 - 0.01039), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |