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Teleostei >
Centrarchiformes (Basses) >
Percichthyidae (Temperate perches)
Etymology: Guyu: A word of the kuku yolangi, aboriginal people in Australia. Kuyu=freshwater fish; "k" is pronounced as "g" in N. Queensland. The species "wujalwujalensis" is due to its ocurrences in the town of Wujal Wujal.(Brad & Mark Kennard, Griffith University, 1993); wujalwujalensis: Named for the township Wujal Wujal at the base of the Bloomfield Falls..
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 大洋性; pH range: 5.0 - 6.0; 深度上下限 0 - 4 m (Ref. 40636). 熱帶; 21°C - 23°C (Ref. 40636)
Oceania: Australia.
大洋洲: 澳洲。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 10.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 40636)
背棘 (总数) : 6 - 7; 背的软条 (总数) : 8 - 9; 臀棘: 3; 臀鳍软条: 7 - 9; 脊椎骨: 25 - 26. Head deep and laterally compressed; pores on head and lower jaw; snout tapered. Insertion of the pelvic fin in line with the third dorsal spine and well behind pectoral fin base. Pelvic girdle length at least twice its width. Caudal fin rounded. Cleithrum's posterior margin and opercular spines without serrations; post temporal serrated.
头部深的而且侧扁的; 在头部与下颌上的孔; 吻成锥形。 腹鳍的嵌入成直线状以第三个背棘而且在胸鳍基底正后方。 腰带长度至少两次它的宽度。 尾鳍圆的。 没有锯齿的匙骨的后缘与鳃盖棘; 后当时的锯齿状的。
Inhabits a broad (30-40 meters wide), clear, flowing stream with a rocky bottom. Temperature ranges between 15° and 25°C and pH from 5.0 to 6.0. During the day it shelters in the cover of undercut banks, boulders, log snags and submerged root masses, darting into crevices if threatened. Nocturnally active, feeding on insects and their larvae, crustaceans, fishes and plant matter. Sexual maturity is reached at a length of about five centimeters. One of the most recently discovered Australian freshwater fish species (Ref. 44894).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
大洋洲: 澳洲。
Pusey, B.J. and M.J. Kennard, 2001. Guyu wujalwujalensis, a new genus and species (Pisces: Percichthyidae) from northeastern Queensland, Australia. Ichthyol. Explor. Freshwat. 12(1):17-28. (Ref. 40636)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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): 3.3 ±0.5 se; based on size and trophs of closest relatives
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).
