Reproductive Strategies and Egg Types of Seven Rio Grande Basin Cyprinids

Composition and Abundance of Drifting Fish Larvae in the Canadian River, Texas

“…Some studies have reported an apparent connection between a rising hydrograph and the initiation of spawning for members of this assemblage such as Arkansas River shiner and plains minnow (Moore 1944, Platania and Altenbach 1998, Taylor and Miller 1990. The results of our study were inconclusive on this point.…”

“…This conclusion supports the observations of Cross et al (1985), who first suggested the presence of an upstream spawning migration by Arkansas River shiner in Kansas. This is also consistent with the reproductive mode exhibited by these species of broadcast-spawning semi-buoyant eggs that drift downstream as they develop (Moore 1944, Platania andAltenbach 1998). Fish migrating upstream to spawn as they mature provides a mechanism for individuals to continually re-colonize unoccupied upstream habitats.…”

“…Four species-Arkansas River shiner (Notropis girardi), peppered chub (Macrhybopsis tetranema), plains minnow (Hybognuthusplacitus), and flathead chub (Plutygobio graci1is)-broadcast semi-buoyant non-adhesive eggs into the current, which drift downstream as they develop (Bottrell et al 1964, Miller and Robison 1973, Platania and Altenbach 1998. In contrast, red shiner (Cyprinella lutrensis) broadcasts adhesive eggs on gravel in riffles and pools (Minckley 1972, Pfleiger 1975, on instream vegetation (Pfleiger 1975), or in crevices (Gale 1986).…”

Retrospective analysis of fish community change during a half-century of landuse and streamflow changes

“…Four more species have declined in both the Arkansas and lower Kansas River basins. With the exception of carmine shiner, these species have similar reproductive strategies that include broadcasting neutrally buoyant eggs that require long, continuous stream habitat for successful development into the current (Battle and Sprules 1960, Donald et al 1980, Platania and Altenbach 1998, Luttrell et al 1999). These species have been extirpated upstream from reservoirs as a direct result of their requirement for continuous river sections for success- …”

First Record of the Plains Minnow, <em>Hybognathus placitus</em>, in Canada

“…Reproduction coincides with high or receding flows in the spring and summer, after which many adults die (Sliger 1967;Taylor and Miller 1990;Pflieger 1997;Platania and Altenbach 1998). The Plains Minnow inhabits slower waters and side pools of larger, turbid streams, mainly west of the Missouri River from Montana and North Dakota, south to central Texas (Baxter and Stone 1995;Pflieger 1997).…”