piscivorous


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piscivorous

[pə′siv·ə·rəs]
(zoology)
Feeding on fishes.
References in periodicals archive ?
In the Amazon floodplain, a very high proportion of the production by prey species is consumed by piscivorous fish (Bayley 1982).
In the absence of predatory fishes, however, other environmental factors (e.g., piscivorous birds; Reimchen 1983, 1988, 1993) might still select for robust pelvic structure, but their net effect would be weak compared with that in lakes with fish predation.
Bite force mean values previously reported for 10 insectivorous bat species, two facultatively piscivorous Myotis and the piscivorous N.
All other categories, piscivorous (PIS), planktivorous (PLK) and sessile invertebrate predators (SIP) had lower densities and biomass, compared with other categories.
The fact that macrophytes were absent from the diet in summer, when perch returned to an almost exclusively piscivorous diet, suggests that plant consumption is strongly associated with egg consumption.
Trophic categories: Ins = insectivorous, Inv = invertivorous, Lar = larvivorous, Her = herbivorous, Alg = algivorous, Det = detritivorous, Zoo = zooplanktivous, Pis = piscivorous, Oni = omnivorous.
Juveniles of a piscivorous fish, Japanese Spanish mackerel (Scomberomorus niphonius), form schools in which individuals are more dispersed with an SA of 33-44[degrees] (Masuda et al., 2003).
Eklov, "Prey refuges affecting interactions between piscivorous perch and juvenile perch and roach," Ecology, vol.
The cyprinids to percids biomass ratio was highest (1.7) in the catch from the reference lake and lowest (0.7) in the catch from Lake Kento, a high proportion of which consisted of large piscivorous perch.
Initial six-year expansion of an introduced piscivorous fish in a tropical Central American lake.
Fry and juveniles feed on freshwater invertebrates until the first sea migration, which usually occurs at three to eight years of age, but are also available as prey to resident piscivorous fish such as lake trout (Salvelinus namaycush).