>
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 / пределы глубины / distribution range
экология
; пресноводный демерсальный; мигрирует в реке (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.
Size / Вес / Возраст
половая зрелость: Lm ? range ? - ? cm
Max length : 6.2 cm TL самец/пол неопределен; (Ref. 5723); common length : 4.4 cm TL самец/пол неопределен; (Ref. 12193)
Краткое описание
определительные ключи | морфология | морфометрия
членистые (мягкие) лучи спинного плавника (общее число) : 7 - 8; членистые (мягкие) лучи анального плавника: 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
половая зрелость | размножение | нерест | икра | Fecundity | личинки
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)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-1)
Угроза для людей
Harmless
Использование человеком
рыболовство: интереса не представляет
дополнительная информация
инструменты
Специальные отчеты
Скачать в формате XML
ресурсы в Интернет
Estimates based on models
Phylogenetic diversity index (ссылка
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 (ссылка
69278): 3.5 ±0.54 se; based on food items.
устойчивость к внешним воздействиям (ссылка
120179): низкий, минимальное время удвоения популяции 4.5-14 лет (K=0.3; Fec=25).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
🛈
