Endangered
Devil's River minnow
Dionda diaboli
Devil's River minnow is a minnow in the family Cyprinidae (order Cypriniformes) — Dionda diaboli, recorded as Endangered.
Appearance
The Devils River minnow has its dorsal and dorsal lateral scales darkly outlined, double dashes along the lateral line, and a long dark lateral stripe through its snout and eye. It can also be characterized by a black spot on its wedge shaped caudal fin and a cross hatched appearance on its body.
Adults can range from sizes of 25 to 55 millimeters, or approximately one to two inches.
Range and habitat
The minnows may also inhabit spring runs and rivers. The Devils River minnow is present in the Devils River in southern Texas, the San Felipe Creek, Sycamore Creek, Pinto Creek and Las Moras Creek in Val Verde County and Kinney County in southern Texas. The Devils River minnow is a freshwater ray-finned fish in the family Leuciscidae, the shiners, daces and minnows.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Diet and breeding
Breeding males develop a blue-green coloration on their body with yellow on the fins when ready to mate. The species' spawning season occurs during springtime.
Little else is known about the diet and food habits of the minnow. More experimentation or observation of captive fish should be done.
In crisis
When the Devils River minnows were first classified as threatened in 1999, a group of organizations among them the Texas Parks and Wildlife Department, the City of Del Rio, Texas, and the U.S. Fish and Wildlife Service are involved in a Conservation Agreement to assist the minnows' recovery to the point that it is no longer a threatened species. The main objective of the Conservation Agreement is maintenance of spring flows, as this is the central factor in long-term population growth.
Fish and Wildlife Service devised and implemented a long-term recovery plan with the goal of delisting the species. This plan addresses the habitat and exotic species issues and also institutes a life history survey of the Devil's River minnow among them an in situ study of smallmouth bass and Devils River minnow predator/prey interaction.
Devil's River minnow is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Devil's River minnow, Wikidata item Q305887. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
