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Semilunar spawning in killifish, Fun...

Hsiao, Shyh-Min.

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Semilunar spawning in killifish, Fundulus grandis.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Semilunar spawning in killifish, Fundulus grandis./
Author:	Hsiao, Shyh-Min.
Description:	59 p.
Notes:	Source: Dissertation Abstracts International, Volume: 52-03, Section: B, page: 1290.
Contained By:	Dissertation Abstracts International52-03B.
Subject:	Biology, Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9123201

Semilunar spawning in killifish, Fundulus grandis.
Hsiao, Shyh-Min.

Semilunar spawning in killifish, Fundulus grandis. - 59 p.

Source: Dissertation Abstracts International, Volume: 52-03, Section: B, page: 1290.

Thesis (Ph.D.)--Louisiana State University and Agricultural & Mechanical College, 1990.

Gulf killifish, Fundulus grandis, spawned daily in aquaria exposed to 12-hr daylengths and 21 to 28Subjects--Topical Terms:

1017726
Biology, Ecology.

Semilunar spawning in killifish, Fundulus grandis.
LDR:02744nmm 2200313 4500 001 1835812
005 20080107105522.5
008 130610s1990 eng d
035 $a (UMI)AAI9123201
035 $a AAI9123201
040 $a UMI $c UMI
100 1 $a Hsiao, Shyh-Min. $3 1924434
245 1 0 $a Semilunar spawning in killifish, Fundulus grandis.
300 $a 59 p.
500 $a Source: Dissertation Abstracts International, Volume: 52-03, Section: B, page: 1290.
500 $a Director: Albert H. Meier.
502 $a Thesis (Ph.D.)--Louisiana State University and Agricultural & Mechanical College, 1990.
520 $a Gulf killifish, Fundulus grandis, spawned daily in aquaria exposed to 12-hr daylengths and 21 to 28 $\ sp\circ
520 $a Semilunar spawning cycles of F. grandis are expressions of an endogenous rhythm. Although a specific phase of the semilunar cycle is maintained with respect to a tidal cycle in the natural environment, the spawning cycle freeruns in the laboratory with periods ranging from 12.7 to 14.1 days so that different phases occur respecting the concurrent tidal cycle. The period of the spawning cycle changes only slightly with temperatures (21 and 27 $\ sp\circ $\ sb{10} $ is not significantly different from 1.0).
520 $a The period of the freerunning semilunar spawning cycle is apparently a long-term adaptation to the local environment. F. grandis, collected from the Louisiana coast of the Gulf of Mexico, and its close relative, F. heteroclitus, collected from the Delaware coast of the Atlantic ocean, were monitored side by side. The mean cycle periods were near 13.7 days for F. grandis and near 14.8 days for F. heteroclitus. The shorter duration in F. grandis closely approximates the tidal cycle in the Gulf of Mexico. The longer duration in F. heteroclitus closely approximates the tidal cycle along the Atlantic coast.
520 $a Whereas endogenous freerunning semilunar cycles have been demonstrated previously in aquatic invertebrates, the present research is the first unequivocal evidence of such a cycle in fish. Contrary to mammalian reproductive cycles (e.g., estrual and menstrual) the semilunar cycle in F. grandis is not merely a reproductive rhythm, but rather an expression of a more basic periodicity of the fish neuroendocrine system. Otolith growth patterns indicate that a semilunar cycle of growth occurs in reproductively immature fish and in adult fish in or outside the breeding season.
590 $a School code: 0107.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Biology, Animal Physiology. $3 1017835
650 4 $a Biology, Zoology. $3 1018632
690 $a 0329
690 $a 0433
690 $a 0472
710 2 $a Louisiana State University and Agricultural & Mechanical College. $3 783779
773 0 $t Dissertation Abstracts International $g 52-03B.
790 1 0 $a Meier, Albert H., $e advisor
790 $a 0107
791 $a Ph.D.
792 $a 1990
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9123201