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Title: Intertidal life: Field observations on the clingfish gobiesox barbatulus in southeastern Brazil
Authors: Pires, Tiago H.S.
Gibran, F. Z.
Keywords: Crustacea
Issue Date: 2011
metadata.dc.publisher.journal: Neotropical Ichthyology
metadata.dc.relation.ispartof: Volume 9, Número 1, Pags. 233-240
Abstract: The clingfish Gobiesox barbatulus shows nocturnal feeding activity, spending most part of the day stationary and adhered to the inferior part of stones. To feed, this species uses the sit-and-wait and particulate feeding tactics. It shows a carnivorous feeding habit mostly consuming small benthic crustaceans. It can move in two ways: (1) "stone-by-stone", sliding its ventral sucker disc across each stone and (2) "surf", when it takes advantage of the energy of the ebbing tide to quickly cross a distance up to four times its body length. Its reproductive season occurs between the end of spring and the beginning of summer, during which time it lays about 2,000 adhesive eggs of 1 mm each in a single layer under stones. It has more than one egg-laying session per reproductive season, therefore showing several different developmental stages. It performs fanning, mouthing and guarding of the eggs as forms of parental care. Data shown here also indicates that G. barbatulus has some shelter fidelity, being probably territorial. © 2011 Sociedade Brasileira de Ictiologia.
metadata.dc.identifier.doi: 10.1590/S1679-62252011005000001
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