Gadopsis bispinosus, Twospine blackfish

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Gadopsis bispinosus Sanger, 1984

Twospine blackfish
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drawing shows typical species in Percichthyidae.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Centrarchiformes (Basses) > Percichthyidae (Temperate perches)
Etymology: Gadopsis: Latin, gadus = a fish, cod? + Greek,opsis = appearance (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 居于水底的. 亞熱帶的; 34°S - 36°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Oceania: endemic to Australia.
大洋洲: 澳洲的特有種。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 35369)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 1 - 3; 背的软条 (总数): 35-38; 臀棘 3; 臀鳍软条: 17 - 20; 脊椎骨: 46 - 49. Adults are brown to blackish along the sides, with variable mottled or blotched patterns bordered by yellow, and whitish ventrally (Ref. 33616).
成鱼是褐色到黑色的沿着侧边,有多变的与黄色接壤的有斑点的或大斑点图案, 与微白色的腹地.(参考文献 33616)

生物学特性     字汇 (例如 epibenthic)

Occur in cool, clear streams with rocky bottoms in mountain terrain (Ref. 33616); with fast to moderate flow (Ref. 44894). Often abundant at altitudes of 200-700 m (Ref. 33616). Benthic, nocturnally active species which usually occur solitary. Juveniles often found in large groups among leaf litter and wood debris. Movements are restricted to a relatively small stretch of river over the duration of the life span. Occur with G. marmoratus at lower elevations, but they have different habitat preferences. Feed on insect larvae, fishes, fish eggs, earthworms and crustaceans. Breed between October and December. Sexual maturity is attained after 2 years (Ref. 44894). Often caught by recreational fishers targeting trout, although not a desirable target due to its small size (Ref. 33616).

出现于冷的, 清澈溪流,底部为岩石的地方在山地带中;(参考文献 33616) 对中等的水流具有快速地。 (参考文献 44894) 时常丰富的在 200-700 公尺的高度.(参考文献 33616) 通常出现独居性的底栖又夜行活跃的种。 较大时稚鱼常被发现在腐叶与木材残砾之中的群。 运动在寿命的持续时间以来局限于河的相当小伸展。 在低的海拔与 G. marmoratus 生存在一起,但是他们有不同的栖息地偏爱。 吃昆虫幼生,鱼,鱼卵,蚯蚓与甲壳动物。 在十月与十二月之间繁殖。 性成熟在 2 年之後被達到。 (參考文獻 44894) 時常被鎖定鱒魚的一般釣客捕獲了, 雖然不是一個令人滿意的目標由於它的體型小。 (參考文獻 33616)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Male guard the eggs and developing larvae until yolk sac is almost completely resorbed (Ref. 35369).大洋洲: 澳洲的特有種。

主要参考文献 Upload your references | 参考文献 | 合作者 : Arratia, Gloria | 合作者

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

世界自然保护联盟红皮书 (Ref. 130435)

  临近濒危 (NT) (B2b(ii,iii)); Date assessed: 14 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
FAO - Publication: search | FishSource |

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特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00408 - 0.02815), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.6   ±0.50 se; based on food items.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec=120-320).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (29 of 100).