Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar dasar (demersal). Temperate; 38°N - 37°N
North America: Upper Dan River system (in Roanoke River drainage) in Virginia, USA.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL jantan/; (Ref. 5723); common length : 11.1 cm TL jantan/; (Ref. 12193); Umur maksimum dilaporkan: 5 Tahun (Ref. 12193)
Inhabits rocky riffles and runs of swift mountain creeks and small rivers. Young occur in flowing pools.
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (tmax=5).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).