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  • 1
    Electronic Resource
    Electronic Resource
    Spawning and nesting behavior of the waccamaw darter,Etheostoma perlongum (1981)
    Springer
    Environmental biology of fishes 6 (1981), S. 177-191 
    Details
    ISSN: 1573-5133
    Keywords: Fecundity ; Reproduction ; Sexual dimorphism ; Migration ; Nuptial coloration ; Breeding season ; Courtship ; Mating ; Sex ratio ; Gonad development ; Fish ; Percids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Synopsis The spawning and nesting behavior ofEtheostoma (Boleosoma) perlongum was investigated in the field and laboratory. Sexual dimorphism is highly developed in such features as genital papillae, first dorsal and paired fins, and nuptial coloration. A reproductive migration from mid-lake to shore occurs in the spring: males precede females to select nest sites under submerged sticks and other debris. The male excavates a depression beneath the submerged object. Gonad analysis indicates a single spawning season extending from March through June. Nests were found from late April to mid-June and were guarded by a single male for periods of 13 to 36 days. Males initiate courtship by lateral display, lead the female to the nest site and show the nest by inverting. The female responds by tail up, tail wag and circle; males also tail wag and circle. Spawning pairs invert, usually in unison, and orient head to head or, less often, head to tail. The female deposits eggs while holding her body in a weak ‘S’ or ‘J’ shape with the caudal peduncle held away from the spawning substrate while vibrating.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00002781
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Breeding behavior and early life history of the waccamaw killifish,Fundulus waccamensis (1983)
    Springer
    Environmental biology of fishes 8 (1983), S. 293-300 
    Details
    ISSN: 1573-5133
    Keywords: Breeding season ; Nuptial dichromatism ; Courtship ; Agonistic ; Territorial ; Sexual behavior ; Mating ; Gonadal development ; Eggs ; Larvae ; Egg burying ; Cyprinodontid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Synopsis The territorial, courtship and spawning behavior ofFundulus waccamensis was investigated in the field and laboratory. Spawning occurs from April to August. Sexual dimorphism is manifested through dichromatism, genitalia, morphometric differences and contact structures. In nature, nuptial males vigorously defend circular territories and court entering females by circling them, sidling, ‘J’ shaping and spawning in the sand substrate. In the aquarium, males perform eight advertisement motor patterns during courtship, of which dipping and flashing are most frequent. The female is relatively inactive, performing only two basic acts. The maximum number of mature eggs per ovary is 120. Both mature egg numbers and total egg numbers are highly correlated with standard length. Recently fertilized eggs are colorless and adhesive. The newly hatched young is well developed and relatively large in size.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00001095
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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