分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies)
鱸形目 (Gobies) >
Gobiidae (Gobies)
鰕虎魚科 (Gobies) > Sicydiinae
Etymology: Sicydium: Greek, sika, sikya = cucumber ; diminutive (Ref. 45335); adelum: From the greek adelos meaning unseen, unknown, obscure, in reference to its similar appearance to the syntopic S. altum..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶; 22°C - 31°C (Ref. 36880)
Central America: Atlantic slope of Costa Rica: Parismina drainage southward to Sixaloa drainage.
中美洲: 哥斯大黎加的大西洋斜坡: Parismina 流域向南至 Sixaloa 流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 36880)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 7; 背的軟條 (總數): 10; 臀棘 1; 臀鰭軟條: 10; 脊椎骨: 26. Premaxillary teeth tricuspid without overlying papillae, lateral cusps much longer than median cusp; enameloid crown short; 61-78 teeth on each premaxilla; mouth narrow; longitudinal scales 61-68; transverse scales 20-23.
沒有過度地乳突 , 側面的尖頭遠長過中央的尖頭上頜骨前的齒三尖瓣; enameloid 冠短; 61-78 牙齒在每個前頜骨; 嘴狹窄的; 縱向的鱗片 61-68; 橫跨的鱗片 20-23.
Inhabits creeks and rivers between sea level and 1180 m elevation, usually present in rapids or riffles of high current velocity. Always stuck to rocks or hidden between stones. Ingests great quantities of mud, diatoms and filamentous algae that it scrapes from the substratum (Ref. 36880).
棲息於在海平面與 1180 公尺海拔之間的小溪與河, 通常出現在急流或高的水流速度的急流。 總是在石頭之間黏住岩石或藏。 攝取它刮掉從下層土壤的泥，矽藻與菌絲藻的大量。 (參考文獻 36880)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中美洲: 哥斯大黎加的大西洋斜坡: Parismina 流域向南至 Sixaloa 流域。
Bussing, W.A., 1996. Sicydium adelum, a new species of gobiid fish (Pisces: Gobiidae) from atlantic slope streams of Costa Rica. Revista de Biologia Tropical 44(2):819-825. (Ref. 38402)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B1ab(iii,v)); Date assessed: 28 February 2020
人類使用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
