Coherent growth and diet patterns in juvenile spot (Leiostomus xanthurus Lacepéde) reflect effects of hydrology on access to shoreline habitat

Zapfe, Glenn; Rakocinski, Chet F.

doi:10.1016/j.fishres.2007.12.014

Cited by 7 publications

(3 citation statements)

References 33 publications

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“…Using otoliths, they also showed that free-living S. ocellatus collected from salt marsh, seagrass, and nonvegetated bottoms had similar growth rates, which they attributed to movement among habitats. Another study by Zapfe and Rakocinski (2008) compared growth of young L. xanthurus (20-60 mm SL) during marsh access and marsh restriction in coastal Mississippi. In contrast to this study, they found growth of L. xanthurus decreased with access to emergent shoreline vegetation (ESV) and increased with less access to ESV.…”

Section: Discussionmentioning

confidence: 99%

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Early Growth of Three Kingfish (Menticirrhus) Species Found in Coastal Waters of the Northern Gulf of Mexico

Anderson¹,

Comyns²,

Perry³

et al. 2012

GCR

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Southern kingfish (Menticirrhus americanus), gulf kingfish (M. littoralis), and northern kingfish (M. saxatilis) are members of the drum family (Sciaenidae) that are widespread in coastal habitats of the western Atlantic, including in the Gulf of Mexico (GOM). Despite their economic and ecological importance, little is known about growth of young kingfish. Young kingfish were collected from four different Mississippi shoreline habitats in 2005 and 2006; two associated with barrier islands and two along the mainland. Barrier island habitats included surf zones on the south shore and grass beds on the north shore. Mainland habitats were located along marsh-edges and sandy shorelines. Kingfish growth comparisons were made using analysis of covariance (ANCOVA) on 194 aged fish (127 M. americanus, 54 M. littoralis, and 13 M. saxatilis). Growth rates for all three species were generally similar ranging from about 0.7mm/day at 4-6 mm standard length (SL) to 1.9mm/day at 55-60mm SL. In 2005, M. americanus from marsh-edges grew significantly faster than those from sandy shorelines. Size-at-age of M. americanus and M. littoralis was significantly smaller in the spring than in the summer and fall, while both growth rate and size-at-age were similar in the summer and fall.

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Section: Discussionmentioning

confidence: 99%

“…xanthurus feed mostly on polychaetes by sifting through the bottom sediment (Zapfe and Rakocinski 2008), whereas kingfish collected from the marsh edge fed preferentially on mysids (Anderson 2009).…”

Section: Discussionmentioning

confidence: 99%

Early Growth of Three Kingfish (Menticirrhus) Species Found in Coastal Waters of the Northern Gulf of Mexico

Anderson¹,

Comyns²,

Perry³

et al. 2012

GCR

Self Cite

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“…Indicators of growth and condition provide integrative measures of the effects of both biotic and abiotic environmental influences on fish (Searcy et al 2007, Zapfe & Rakocinski 2008. As such, these indicators have been used to compare habitat quality (Amara et al 2007, Haas et al 2009, Vasconcelos et al 2009), examine fish response to pollution (Amara et al 2007) and climatic variability (Teal et al 2008), inform management of fisheries stocks or endangered species (Lorenzen & Enberg 2002), compare nursery grounds (Gilliers et al 2004, Vasconcelos et al 2009), and assess restored habitats (La Peyre et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Using Gambusia affinis growth and condition to assess estuarine habitat quality: a comparison of indices

Piazza¹,

Peyre²

2010

Mar. Ecol. Prog. Ser.

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Numerous indices have been used to estimate fish growth and condition; however, differences in sensitivity and reliability of the methods have hampered efforts to identify appropriate indicators for routine evaluation of habitat quality in the field. We compared common morphometric (length, weight, somatic growth, length-weight condition) and biochemical (RNA:DNA ratio, relative DNA content, energy density) growth indices on the same wild-caught mosquitofish Gambusia affinis to examine their usefulness as indicators of habitat quality. A laboratory experiment was used to quantify growth rates of wild-caught G. affinis under different feeding treatments. Field studies consisted of both a short-term enclosure experiment (10 d) and weekly (7 wk) fish collections to compare growth indices in managed inflow and reference marshes during a winter/spring freshwater pulse event in upper Breton Sound, Louisiana, USA. Marshes flooded by restored freshwater pulses were capable of producing optimum growth (0.001 g DW d -1; DW = dry weight) and energetically valuable habitat (> 6000 cal g -1 DW) for trophic transport. Because of differences in timing of response, morphometric and biochemical indices were generally not directly correlated, but there was clear agreement in direction and magnitude of response. The most striking difference in timing was that biochemical indices (RNA:DNA) responded more slowly to treatments than did morphometric growth indices. While gross patterns are comparable between indicators, differences in sensitivity and response time between indicators suggest that choice of indicator needs to be accounted for in interpretation and analysis of effects.KEY WORDS: Growth · Energy density · RNA:DNA ratio · Resident species · Poeciliidae · Estuary · Fish · Louisiana Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 412: [231][232][233][234][235][236][237][238][239][240][241][242][243][244][245] 2010 some methods have hampered efforts to identify appropriate indicators for routine evaluation of habitat quality in the field.Increasing threats to fish populations arising from both natural events and anthropogenic activities have led to extensive estuarine restoration activities around the world and a critical need for appropriate indicators to assess the relationship between restored and altered habitat and their associated fish populations (Madon 2008). In particular, restoration in large-river delta environments (e.g. Williamson River Delta, Sacramento-San Joaquin River Delta, Mississippi River Delta) often focuses on the reconnection of the riverine flood events that provide extended access to highquality, ephemerally flooded estuarine habitats for transient and resident fishes (Kneib 2000). These flooded habitats have been shown to be functionally valuable for fish growth due to an abundance of high quality food sources (Madon 2008). In coastal Louisiana, the Caernarvon Freshwater Diversion (Caernarvon) is one such project that restores the annual s...

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Body condition in fish as a tool to detect the effects of anthropogenic pressures in transitional waters

et al. 2019

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Coherent growth and diet patterns in juvenile spot (Leiostomus xanthurus Lacepéde) reflect effects of hydrology on access to shoreline habitat

Cited by 7 publications

References 33 publications

Early Growth of Three Kingfish (Menticirrhus) Species Found in Coastal Waters of the Northern Gulf of Mexico

Early Growth of Three Kingfish (Menticirrhus) Species Found in Coastal Waters of the Northern Gulf of Mexico

Using Gambusia affinis growth and condition to assess estuarine habitat quality: a comparison of indices

Body condition in fish as a tool to detect the effects of anthropogenic pressures in transitional waters

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