Hemirhamphodon byssus

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Hemirhamphodon byssus Tan & Lim, 2013

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drawing shows typical species in Zenarchopteridae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Beloniformes (Needle fishes) > Zenarchopteridae (Internally fertilized halfbeaks)
Etymology: Hemirhamphodon: Greek, hemi = half + Greek, rhamphos = bill + greek, odous = teeth (Ref. 45335);  byssus: Name from the Latin byssus, meaning fine thread, in reference to the distinct filamentous dorsal-fin rays of large males. A noun in apposition..

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 大洋性; 深度上下限 0 - ? m.

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: southern to central Sarawak (South of Rejang basin) in Malaysia.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 94086)

簡短描述 型態特徵 | 形態測量圖

Distinguished from other species of Hemirahamphodon in having the following characters: dorsal fi n with melanophores in two sizes on both male and female examples above 30 mm SL, interradial membranes on the anterior half of the dorsal fin with large and intense melanophores throughout fi n depth, appearing as thin black streaks. 2) Unique dorsal fi n morphology on large males above 50 mm SL - distal portions of fi rst 6 to 7 rays elongated, free of interradial membrane, projected into fi laments up to four times the depth of the dorsal fi n; adpressed fi n rays reaching half of caudal-fin. 3). Males with an enlarged posterior projection on the fourth anal-fi n ray, with third, fourth and eighth anal-fin rays branched; females with third, fourth and eighth anal-fi n rays branched; pelvic-fin origin anterior to dorsal-fi n origin. 5) Dorsal-fin rays 13 to 14 (Ref. 94086).

生物學特性     字彙 (例如 epibenthic)

This species inhabits streams of lowland forest and peat swamps. In streams with clear water, the body is lighter in color while in tannin stained waters, the body tends to be darker colored, at times appearing black (Ref. 94086).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Tan, H.H. and K.K. Lim, 2013. Three new species of freshwater halfbreaks (Teleostei: Zenarchopteridae: Hemirhamphodon) from Borneo. The Raffles Bulletin of Zoology 61(2):735-747. (Ref. 94086)

IUCN 瀕危狀態 (Ref. 125652)

  無危 (LC) ; Date assessed: 16 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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網路資源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 檢查 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因組, 核甘 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 樹狀分類階層 | Wikipedia: , 搜尋 | World Records Freshwater Fishing | Zoobank | 動物學的記錄

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5020   [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 BS (Ref. 93245).
營養階層 (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
回復力
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .