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Title: Recolonization of experimentally defaunated tidepools by northeast Pacific intertidal fishes.

Author: Polivka, K.M.; Chotkowski, M.A.;

Date: 1998

Source: Copeia. 2: 456-462

Publication Series: Scientific Journal (JRNL)

Description: Site fidelity and maintenance of home ranges are common in fishes (e.g., Stephens et al., 1970; Robertson and Sheldon, 1979; Hixon, 1981), especially for intertidal species for which the ability to navigate to a safe region of an environment that periodically drains of water may be adaptive (e.g., Gibson 1967, 1969, 1982). For intertidal fishes in the northeast Pacific region, homing capabilities have been described in the cottids Clinocottus analis (Richkus, 1978), C. globiceps (Green, 1973), Oligocottus maculosus (Green, 1971; Khoo, 1974; Craik, 1981), and Oligocottus snyderi (Williams, 1957; Halverson, 1982; Yoshiyama et al., 1992). The adaptive value of homing in intertidal fishes has not been fully explained, but it is of sufficient ecological benefit to have arisen independently in fishes of different lineages (e.g., Cottidae, Blenniidae) and in different geographical. regions (western North American coast, Britain; Yoshiyama et al., 1992; Gibson, 1967). Aside from its possible benefits in the search for food and escape from desiccation or predators, the ability to home may be used by fishes requiring refuge from hydrodynamic stresses imposed by waves (Chotkowski, 1994).

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Polivka, K.M.; Chotkowski, M.A. 1998. Recolonization of experimentally defaunated tidepools by northeast Pacific intertidal fishes. Copeia. 2: 456-462


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