piscivorous


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Words related to piscivorous

feeding on fishes

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References in periodicals archive ?
Among 15 more experienced fishermen, 87% (N = 13) stated that tilapia had not negatively affected other species, and 77% (N = 10) of those 13 fishermen said that tilapia had not affected other fish because they were not piscivorous, noting that: 'tilapia are a calm fish', 'they eat grass, weeds, and those things that appear in the water, they do not eat the offspring from other fish'.
malabaricus exhibited reproduction dynamics and diet similar to those determined in other ecosystems, such as a long reproduction period, more intense reproductive activity during the rainy season, and piscivorous and opportunistic habits; ii) the fishery stock did not show evidence of overfishing and thus may continue to be exploited in a sustainable way by the artisanal fishing community; iii) H.
High mortality in these habitats can follow drought or drawdown that enhances foraging by wading birds and piscivorous mammals (Kushlan 1976), so populations must be recolonized.
Previous studies of the perch-roach interaction have shown that the competitive effect of the efficient-zooplankton-feeder roach, leads to a shift of juvenile perch early and at a small size to macroinvertebrate feeding and this potentially forms the bottleneck for recruitment to piscivorous stages as a result of an increased intraspecific competition (Persson 1986, Persson and Greenberg 1990a).
Complex predator-prey interactions and predator intimidation among crayfish, piscivorous fish, and small benthic fish.
For example, the species richness of carnivorous and piscivorous serranids (Bahia Honda: 10 species, Playa Blanca: 3), carangids (BH: 11, PB: 4) and lutjanids (BH: 8, PB: 5) were greater in Bahia Honda compared to Playa Blanca.
Today this generally piscivorous species (Parrish, 1987) is found around all of the MHI.
At our study sites, predation by fishes appears relatively low, but piscivorous birds are abundant (Rangeley 1994).
We found juveniles use shallower waters likely as a refuge from piscivorous fishes (Gorman, 1988; Schlosser, 1988, Labbe and Fausch, 2000).
Piscivory in Colorado pikeminnows has been observed in individuals as small as 73 mm total length and the species is believed to be primarily piscivorous by 200 mm total length (Vanicek and Kramer, 1969; Minckley, 1991; Muth and Snyder, 1995).
13]C values were determined for one alewife (anadromous), one gizzard shad (Dorosoma cepedianum, a native freshwater planktivore), and two blue catfish (Ictalurus furcatus, an introduced piscivorous predator).
The other five species (in larval form) all mature in the piscivorous birds Casmerodius albus and Phalacrocorax olivaceus, found at Tres Palos Lagoon (data not included), and were thus classified as allogenic: C.