Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy. Subtropical; 35°N - 28°N
North America: found only in the USA from Edisto River in South Carolina, south to southern central Florida (almost to Lake Okeechobee) and west to Mississippi River in Louisiana.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL con đực/không giới tính; (Ref. 5723); common length : 6.0 cm TL con đực/không giới tính; (Ref. 12193)
Inhabits headwaters to medium-sized rivers, usually over gravel or sand (Ref. 5723, 10294). Feeds on midge, blackfly, mayfly, and caddisfly larvae (Ref. 10294).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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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=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Fec=38-250).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).