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Sorubim trigonocephalus Miranda Ribeiro, 1920

Arrowhead shovelnose
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Image of Sorubim trigonocephalus (Arrowhead shovelnose)
No image available for this species;
drawing shows typical species in Pimelodidae.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Pimelodidae (Long-whiskered catfishes)
Etymology: Sorubim: Brazilian local name, sorubim (Ref. 45335);  trigonocephalus: Name from Latin 'trigonocephalus' referring to the triangular ('trigono-) shape of the head ('-cephalus) in dorsal or ventral views (Ref. 57983).

Issue
Extremely rare in collections; known from only 3 specimens.

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

; 新鮮な水 底生の. Tropical

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

South America: Madeira and Tapajós River basins, two Amazon tributaries.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 50.7 cm SL オス/雌雄の選別がない; (Ref. 36506); 最大公表体重: 509.38 g (Ref. 126097)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 2; 背鰭 (合計) : 6; 臀鰭: 19 - 22; 脊つい: 58. Distinguished from its congeners by the following combination of characters: snout very elongated, triangular or arrowhead shaped in dorsal and ventral view; exposed portion of premaxillary tooth patch as long as wide (Ref. 57983).

生物学     用語集 (例 epibenthic)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Lundberg, J.G. and M.W. Littmann, 2003. Pimelodidae (Long-whiskered catfishes). p. 432-446. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36506)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

より多くの情報

Trophic ecology
食品種目概要について
Diet compositions
Food consumptions
Food rations
捕食動物
Ecology
生態学
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversions
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繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
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Distribution
国々
国連食糧農業機関の区域
エコシステム
事件
導入
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Anatomy
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脳
Otoliths
Physiology
Body compositions
Nutrients
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水泳形態
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)
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共通名の
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参考文献

用具

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特記事項

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概要ページ | 目的のデータ | 共通名の | 写真

インターネットの情報源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: 部類, 種 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: ゲノム, ヌクレオチド | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 生命の木 | Wikipedia: 行く, 検索する | World Records Freshwater Fishing | Zoobank | 動物に関する記録

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00145 - 0.01438), b=3.08 (2.83 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.1   ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (45 of 100).