Classification / Names
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Percopsiformes (Trout-perches, pirate perches and cavefishes) >
Amblyopsidae (Cavefishes)
Etymology: Amblyopsis: Greek, amblys = darkness + Greek, ops = shape (Ref. 45335).
Eponymy: Rosa Smith Eigenmann (1858–1947) was the wife of ichthyologist Carl H Eigenmann and an ichthyologist in her own right. [...] (Ref. 128868), visit book page.
More on author: Eigenmann.
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल ड़िमरसल; पोटामोड़िरोमस (Ref. 51243). Temperate; 38°N - 35°N
North America: Springfield Plateau in southwestern Missouri, northeastern Oklahoma and northwestern Arkansas (Arkansas and upper White River drainages), USA.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 6.2 cm TL पुल्लिंग / अलिंग; (Ref. 5723); common length : 4.4 cm TL पुल्लिंग / अलिंग; (Ref. 12193)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 7 - 8; ऐनल सौफट रेज़: 8. Pink-white. No eyes (vestigial eye tissues under skin). No pelvic fins. Usually 8 anal rays; 9-11 branched caudal rays.
Body shape (shape guide): elongated.
Adults inhabit subterranean waters of quite small cave streams. Preferred habitat in these caves is chert rubble though individuals are also found in areas of silt-sand substrates. Stomachs examined contained copepods which constituted about 70-90% by volume with the balance being primarily small salamanders, crayfish, isopods, amphipods and young of their own species (Ref. 34868). Eggs are carried in gill chambers of females (Ref. 205). Threatened by overfishing (Ref. 10172).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Incubates eggs in gill chamber of females (Ref. 205).
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: Version 2025-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर
साधन
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.6331 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 3.5 ±0.54 se; based on food items.
लौटाव (संदर्भ
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (K=0.3; Fec=25).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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