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Cottus rhotheus (Smith, 1882)

Torrent sculpin
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drawing shows typical species in Cottidae.

Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335);  rhotheus: rhotheus -- rushing of the torrent, referring to habitat (Ref. 1998).

Environment: milieu / climate zone / depth range / distribution range ນິເວດວິທະຍາ

; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ. Temperate; 52°N - 42°N

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

North America: upper Fraser River drainage in British Columbia in Canada to Nehalem River in Oregon, USA (including Columbia River drainage of British Columbia in Canada, and Washington, Idaho, Montana and Oregon in the USA).

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 15.5 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 1998); common length : 6.8 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 12193)

Short description ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 7 - 9; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 15 - 18; ຄີກົ້ນຂອງປາ: 11 - 14.

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Inhabits rubble and gravel riffles of rivers and rocky lake shores. Individuals up to 5 cm feed on planktonic crustaceans and aquatic insect larvae especially that of midges and mayflies (Ref. 1998). Larger sculpins feed on minnows and other fishes (Ref. 1998). Possibly spawns in June (Ref. 1998).

Life cycle and mating behavior Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

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 Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 11 November 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

ຂໍ້ມູນຕື່ມອີກ

Trophic ecology
ລາຍການອາຫານ
Diet compositions
Food consumptions
Food rations
ຜູ້ລ້າ
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
ການສືບພັນ
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ
Anatomy
Gill areas
ສະໝອງ
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
ປະເພດການລອຍ
Swimming speeds
Visual pigment(s)
ສຽງຂອງປາ
Diseases / Parasites
Toxicities (LC50s)
Genetics
ກຳມະພັນ
Electrophoreses
Heritabilities
Human related
Aquaculture systems
ຂໍ້ມູນການລ້ຽງສັດນ້ຳ
ສາຍພັນ
Ciguatera cases
Stamps, coins, misc.
Taxonomy
ຊື່ສາມັນ
ຄຳສັບຄ້າຍຄືກັນ
ສະລີລະວິທະຍາ
ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [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 body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.4   ±0.45 se; based on food items.
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ຂະໜາດກາງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 1.4 - 4.4 ປີ (Fec=448).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).