分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Centrarchiformes (Basses)
鱸形目 (Basses) >
Elassomatidae (Pygmy sunfishes)
小日鱸科 (Pygmy sunfishes)
Etymology: Elassoma: Greek, elasson = smaller + Greek, soma = body (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 亞熱帶的
North America: endemic to Moss Spring and (historically) adjacent springs in the middle Tennessee River drainage in Alabama, U.S.A.
北美洲: 在阿拉巴馬州的中央田納西河流域的苔蘚春天的特有種與 (在歷史上) 毗連的泉水, 美國
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1 - 3; 背的軟條 (總數) : 8 - 13; 臀棘: 1 - 3; 臀鰭軟條: 5 - 8. Transverse scale rows: 10-13. Distinguished from all other family members by having 3 or less dorsal spines (versus 7 or more), 6-7 broad dark bars along flanks (versus 7 or more), 16-18 peduncle scale rows (versus 18-24).
橫跨的鱗片列: 10-13. 與所有的其他家庭成員藉著具有 3個以內背棘 (對 7個或更多)區分了, 6-7 寬的深色橫帶沿著側面 (對 7個或更多) ， 16-18 梗鱗片列.(對 18-24)
Found on sand, clay, mud and/or limestone substrate commonly associated with rooted, submerged vegetation (Ref. 58011). Oviparous, eggs are deposited in aquatic vegetation, preferably on strands of Ceratophyllum sp. when available (Ref. 58020).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Eggs are deposited in aquatic vegetation, preferably on strands of Ceratophyllum sp. when available (Ref. 58020).北美洲: 在阿拉巴馬州的中央田納西河流域的苔蘚春天的特有種與 (在歷史上) 毗連的泉水, 美國
Gilbert, C.R., 2004. Family Elassomatidae Jordan 1877. Pygmy sunfishes. Calif. Acad. Sci. Annotated Checklists of Fishes (33):5. (Ref. 51664)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 28 November 2011
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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).
營養階層 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (tmax=1; Fec=65).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
