The biology of hypogean fishes

An introduction to the special volume on the biology of hypogean fishes.- It’s a wonderful hypogean life: a guide to the troglomorphic fishes of the world.- Scientists prefer them blind: the history of hypogean fish research.- Nontroglobitic fishes in Bruffey-Hills Creek Cave, West Virginia, and other caves worldwide.- 1. Anatomy, physiology and behavior.- The mechanosensory lateral line system of the hypogean form of Astyanax fasciatus.- Metabolic rate and natural history of Ozark cavefish, Amblyopsis rosae, in Logan Cave, Arkansas.- Locomotory responses of the cave cyprinid Phreatichthys andruzzii to chemical signals from conspecifics and related species: new findings.- Responses to light in epigean and hypogean populations of Gambusia affinis (Cyprinodontiformes: Poeciliidae).- Temporal organization in locomotor activity of the hypogean loach, Nemacheilus evezardi, and its epigean ancestor.- 2. Ecology and conservation.- Ecology of subterranean fishes: an overview.- Population biology and growth of Ozark cavefish in Logan Cave National Wildlife Refuge, Arkansas.- Threatened fishes of the world: Ophisternon infernale (Hubbs, 1938) (Synbranchidae).- How hydrogeology has shaped the ecology of Missouri’s Ozark cavefish, Amblyopsis rosae, and southern cavefish, Typhlichthys subterraneus: insights on the sightless from understanding the underground.- Habitat and population data of troglobitic armored cave catfish, Ancistrus cryptophthalmus Reis, 1987, from central Brazil (Siluriformes: Loricariidae).- The conservation status of hypogean fishes.- Threatened fishes of the world: Ogilbia pearsei (Hubbs, 1938) (Bythitidae).- Status of the federally endangered Alabama cavefish, Speoplatyrhinus poulsoni (Amblyopsidae), in Key Cave and surrounding caves, Alabama.- 3. Geneticsand evolution.- Genetic differentiation among populations of the cave fish Schistura oedipus (Cypriniformes: Balitoridae).- Origins and relationship of cave populations of the blind Mexican tetra, Astyanax fasciatus, in the Sierra de El Abra.- Threatened fishes of the world: Caecobarbus geertsii Boulenger, 1921 (Cyprinidae).- Morphological and physiological correlates of evolutionary reduction of metabolic rate among amblyopsid cave fishes.- Convergent adaptations to cave life in the Rhamdia laticauda catfish group (Pimelodidae, Teleostei).- A review of morphological and behavioural changes in the cave molly, Poecilia mexicana, from Tabasco, Mexico.- 4. Special cases.- Troglomorphic sculpins of the Cottus carolinae species group in Perry County, Missouri: distribution, external morphology, and conservation status.- Milyeringa Veritas (Eleotridae), a remarkably versatile cave fish from the arid tropics of northwestern Australia.- Mexican blindcats genus Prietella (Siluriformes: Ictaluridae): an overview of recent explorations.- A new blind cave fish population of genus Astyanax: geography, morphology and behavior.- Adaptations of cave fishes with some comparisons to deep-sea fishes.- Species and subject index.