Abstract:
:A genetic colour polymorphism is present in bluefin killifish Lucania goodei, where red and yellow anal-fin morphs coexist in clear springs, but the source of balancing selection is unknown. In a field study, vertical distributions did not differ between the morphs and there was little evidence that light environments differed qualitatively over the 200 cm at which fish were collected. A greenhouse study showed that both morphs preferred to spawn at shallow depths and hence vertical distribution and spawning site choice are unlikely to explain the maintenance of the colour polymorphism.
journal_name
J Fish Bioljournal_title
Journal of fish biologyauthors
Chang CH,Schult JE,Sanders J,Liu SH,Fuller RCdoi
10.1111/jfb.13661subject
Has Abstractpub_date
2018-08-01 00:00:00pages
396-400issue
2eissn
0022-1112issn
1095-8649journal_volume
93pub_type
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