Cottus asper Richardson, 1836
Prickly sculpin
アップロード 写真 そして ビデオ
画像 | グーグルの画像
Cottus asper
画像によって The Native Fish Conservancy
画像 | グーグルの画像
画像によって The Native Fish Conservancy
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); asper: asper meaning rough (Ref. 1998).
More on author: Richardson.
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); asper: asper meaning rough (Ref. 1998).
More on author: Richardson.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
海; 新鮮な水; 汽水性の 底生の; 降流性の (Ref. 138280). Temperate; 60°N - 32°N
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
North America: Pacific slope drainages from Seward, Alaska to Ventura River, California, USA; also east of Continental Divide in upper Peace River in British Columbia, Canada. Exhibits coastal and inland forms that are genetically distinct (Ref. 27547).
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 7.0 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 7 年 (Ref. 28210)
Max length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 7.0 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 7 年 (Ref. 28210)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 7 - 10; 背鰭 (合計) : 18 - 23; 肛門の骨: 0; 臀鰭: 15 - 19; 脊つい: 34 - 39. Distinguished by a complete lateral line, a single pore at the tip of the chin, the presence of 15 to 19 anal rays, and well developed palatine teeth (Ref. 27547). Pectorals large and fan-shaped; caudal truncate or slightly rounded (Ref. 27547). Dark brown, olive or gray above and on sides, whitish yellow to white below; usually three dark irregular blotches or bars below soft dorsal; vague irregular dark mark on sides; fins (except anal) have dark bars, the first dorsal with a dark spot towards the rear (Ref. 27547). Both sexes show an orange band on the edge of the first dorsal fin at spawning time (Ref. 27547). The inland form is generally more densely prickled over a larger portion of the body while the coastal form shows a reduced number of prickles (Ref. 28211).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
There appears to be two genetically distinct forms (Ref. 27547), an inland form found in sandy and rocky shores of lakes, and a coastal form usually found over sand in quiet runs of small to medium rivers; sometimes in salt water near river mouths (Ref. 2850). The coastal form moves into brackish estuaries to spawn (Ref. 27547). Oviparous with demersal, adhesive eggs and pelagic larvae (Ref. 265). Adults feed mainly on aquatic insect larvae and bottom invertebrates (Ref. 1998). Too small to be used as food and too difficult to capture in large numbers to be used for anything else (Ref. 27547) but large individuals are reported to be excellent eating as well as good bait fishes (Ref. 2850).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Prior to breeding, males move downstream and select a nesting site under boulders or flat rocks. Females aggregate some distance upstream and move down singly to the spawning area. Courtship behavior occurs outside the nest until a female is selected. The pair enter the nesting site, courting continues until eggs are deposited and fertilized. The female then leaves the nest and goes back upstream to feed, while the male spawns with other females or fans and guards the eggs. The male does not feed until the eggs have hatched, moving upstream only in the late summer (Ref. 1998, 27547). During the planktonic stage, larvae of the freshwater nonanadromous form in lakes show distinct diurnal vertical migrations, being most abundant at the surface during the darkest hours of the night. They apparently stay deep in the water during the day and on bright moonlight nights (Ref. 28920). Metamorphosis is complete by the end of the planktonic period and the young take up a demersal mode of life. The young coastal form may move upstream during the fall, although the young may remain in the estuary for a full year (Ref. 27547).
主な参考文献
参考文献のアップロード | 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)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; 水族館・水槽: 公共の水族館; 餌: occasionally
FAO - Publication: search | FishSource |
より多くの情報
解剖学
カマ
脳
オトリス
カマ
脳
オトリス
生理学
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
遺伝子の
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
用具
オーガニック・クイズ | 電子書籍 | 野外観察図鑑 | 検索表 | 長さ-周波数ウィザード | 生活史の基盤ツール | 目的のマップ |
キャッチ-MSY |
特記事項
XMLをダウンロードして下さい
インターネットの情報源
AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: 部類, 種 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | 公共の水族館 | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 生命の木 | Wikipedia: 行く, 検索する | World Records Freshwater Fishing | Zoobank | 動物に関する記録
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]. |
| Bayesian length-weight | a=0.00832 (0.00340 - 0.02033), b=3.16 (2.98 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
|
栄養段階 (参照 69278) |
3.2 ±0.0 se; based on diet studies. |
|
回復力 (参照 120179) |
手段, １．４年～４．４年の倍増期間の最小個体群 (tmax=7; Fec=280). |
|
漁業の脆弱性 (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |
|
価格帯 (Ref. 80766) |
Low. |