Cottus bairdii, Mottled sculpin

Cottus bairdii Girard, 1850

Mottled sculpin
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Image of Cottus bairdii (Mottled sculpin)
Cottus bairdii
Male picture by N. Burkhead & R. Jenkins, courtesy of VDGIF

分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Scorpaeniformes (Scorpionfishes and flatheads) > Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335);  bairdii: Named after Spencer Fullerton Baird, first U.S. Fish Commissioner.  More on author: Girard.

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

; 新鮮な水 底生の; 深さの範囲 ? - 16 m (Ref. 1998).   Temperate; 59°N - 34°N

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

North America: widespread with highly disjunct distribution in Canada and USA. The former Blue Ridge race of the Atlantic slope of the Appalachian Mountains is now recognized as a distinct species Cottus caeruleomentum.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 8.4 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 2.00 年 (Ref. 12193)

生物学     用語集 (例 epibenthic)

Adults occur in rubble and gravel riffles, less often in sand-gravel runs of headwaters, creeks and small rivers. Also found in springs and their effluents and rocky shores of lakes (Ref. 1998, 10294). Feed mainly on aquatic insect larvae, but also on crustaceans, annelids, fishes, fish eggs, and plant material (Ref. 1998, 10294). Spawn in the spring (Ref. 1998). A male guards the cluster of eggs laid by different females (Ref. 1998). Neither anterolateral glandular groove nor venom gland is present (Ref. 57406).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Male selects a nesting site under a rock of ledge. Male entices a female to enter the nest. Female deposits eggs on the upper surface of the rock and leaves or is driven out of the nest. Eggs are deposited by different females. The male guards the eggs from predators and maintains a natural current flow (Ref. 1998). Also Ref. 53335.

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

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

IUCNのレッドリストの状況は (Ref. 123251)

  軽度懸念 (LC) ; Date assessed: 08 November 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO(Publication : search) | FishSource |

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共通名の
類義語
代謝
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生態毒性
繁殖
成熟
放精
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形態計測学
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参考文献
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遺伝子の
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シガテラ(食中毒の名前)
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インターネットの情報源

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00309 - 0.01700), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.3   ±0.46 se; based on food items.
回復力 (Ref. 120179):  高い, 15か月以下の倍増期間の最小個体群 (tmax=2).
弱み (Ref. 59153):  Low to moderate vulnerability (34 of 100) .