分類 / Names
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Atheriniformes (Silversides) >
Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Rhadinocentrus: Greek, rhadinos, -e, -on = soft, flexible + Greek, kentron = sting (Ref. 45335).
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 外洋の; pH range: 6.0 - 6.5; dH range: 4 - 8. Tropical; 20°C - 30°C (Ref. 2060)
Oceania: northern New South Wales and southern Queensland in Australia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL オス/雌雄の選別がない; (Ref. 44894); 3.5 cm SL (female); common length : 4.0 cm SL オス/雌雄の選別がない; (Ref. 44894)
Lives in coastal streams and often found in stagnant pools or streams with little or no flow. Inhabits creeks, backwaters of larger streams, ponds and dune lakes. Usually found in sandy coastal country (locally known as 'wallum') in slow-flowing, tannin-stained waters. Prefers the cover of submerged logs and branches, grassy banks, reeds and lily roots (Ref. 44894). Occurs at temperature and pH ranging from 20°-28° C and 5.4-6.5 respectively. Eggs are laid among plants each day during the breeding season. Feeds on insects and their aquatic larvae, microcrustaceans and algae. Popular aquarium fish which readily breeds in captivity (Ref. 44894).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
Human uses
用具
特記事項
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インターネットの情報源
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=0.01122 (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).
栄養段階 (Ref.
69278): 3.0 ±0.35 se; based on food items.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
