Life-history traits of a small-bodied coastal shark

Gutteridge, Adrian N., Huveneers, Charlie, Marshall, Lindsay J., Tibbetts, Ian R. and Bennett, Mike B. (2013) Life-history traits of a small-bodied coastal shark. Marine and Freshwater Research, 64 1: 54-65. doi:10.1071/MF12140

Author Gutteridge, Adrian N.
Huveneers, Charlie
Marshall, Lindsay J.
Tibbetts, Ian R.
Bennett, Mike B.
Title Life-history traits of a small-bodied coastal shark
Journal name Marine and Freshwater Research   Check publisher's open access policy
ISSN 1323-1650
Publication date 2013-01
Sub-type Article (original research)
DOI 10.1071/MF12140
Volume 64
Issue 1
Start page 54
End page 65
Total pages 12
Place of publication Collingwood, VIC, Australia
Publisher C S I R O
Collection year 2014
Language eng
Abstract The life histories of small-bodied coastal sharks, particularly carcharhinids, are generally less conservative than those of large-bodied species. The present study investigated the life history of the small-bodied slit-eye shark, Loxodon macrorhinus, from subtropical Hervey Bay, Queensland, and compared this species' biology to that of other coastal carcharhinids. The best-fit age model provided parameters of L∞=895mm total length (TL), k=0.18 and t0=-6.3 for females, and L∞=832mmTL, k=0.44 and t0=-2.6 for males. For sex-combined data, a logistic function provided the best fit, with L∞=842mmTL, k=0.41 and α=-2.2. Length and age at which 50% of the population was mature was 680mmTL and 1.4 years for females, and 733mmTL and 1.9 years for males. Within Hervey Bay, L. macrorhinus exhibited an annual seasonal reproductive cycle, producing an average litter of 1.9±0.3s.d. With the exception of the low fecundity and large size at birth relative to maximum maternal TL, the life-history traits of L. macrorhinus are comparable to other small-bodied coastal carcharhinids, and its apparent fast growth and early maturation contrasts that of large-bodied carcharhinids.
Keyword Age and growth
Loxodon macrorhinus
Reproductive biology
Slit-eye shark
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Biological Sciences Publications
School of Biomedical Sciences Publications
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 5 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 6 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Sun, 10 Mar 2013, 00:59:34 EST by System User on behalf of Examinations