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Psammogobius knysnaensis Smith, 1935

Knysna sandgoby
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Image of Psammogobius knysnaensis (Knysna sandgoby)
Psammogobius knysnaensis
Picture by Koch, R.J.

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

Teleostei > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Psammogobius: Greek, psammos = sand + Latin, gobius = gudgeon (Ref. 45335).
More on author: Smith.

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

; 半咸淡水 居于水底的. 亞熱帶的

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

Southeast Atlantic and Western Indian Ocean: South Africa.
東南大西洋與西印度洋: 南非。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 3.0  range ? - ? cm
Max length : 7.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 11344)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 7; 背的软条 (总数) : 9 - 10; 臀棘: 1; 臀鳍软条: 9 - 11. Body grey to brown in color, with white and brown spots on back; thin white bars on side; 3-6 elongate dark brown spots on midside; males with black spot on rear of 1st dorsal fin (Ref. 2798).
身体灰色的到褐色的颜色, 藉由白色与褐色斑点背面; 在侧边上的白色细纹; 3-6 在侧面中央上延长深褐色的斑点; 在第一背鳍后面上雄性有黑色的斑点。 (参考文献 2798)

生物学特性     字汇 (例如 epibenthic)

An estuary sand dweller occurring in tidal parts of rivers (Ref. 4343).

出现在河川中有潮汐的河段的一个河口沙子居民.(参考文献 4343)

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

東南大西洋與西印度洋: 南非。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Maugé, L.A., 1986. Gobiidae. p. 358-388. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4343)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)

  最不相关 (LC) ; Date assessed: 20 June 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

更多信息

Trophic ecology
食物相
食性组成
食物消耗量
Food rations
捕食者
Ecology
生态学
Population dynamics
成长参数
Max. ages / sizes
Length-weight rel.
Length-length rel.
体长-频率
Mass conversion
入添量
丰度
Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵数
产卵场
Spawning aggregations

卵的发育
仔鱼
稚鱼动力学
Distribution
国家
FAO区域
生态系
标本纪录
简介
BRUVS - Videos
Anatomy
鳃区
Brain
Otolith
Physiology
Body composition
Nutrients
耗氧量
游泳类型
游泳速度
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
遗传学
Heterozygosity
遗传率
Human related
Aquaculture systems
水产养殖描述
品种
Ciguatera cases
Stamps, coins, misc.
Outreach
合作者
References
参考文献

工具

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 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00656 - 0.02103), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (Ref. 69278):  3.3   ±0.3 se; based on diet studies.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).