Validation of otolith daily increments in early juveniles of shanny <i>Lipophrys pholis</i>

Carvalho, Margarida Gama; Moreira, Ana Sofia de Sousa; Moreira, Cláudia; Queiroga, Henrique; Santos, Paulo; Correia, Alberto Teodorico

doi:10.1111/jfb.12333

Cited by 5 publications

(3 citation statements)

References 17 publications

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“…; Carvalho et al. ). In addition, within the same species, microstructural characteristics and the frequency of deposition can be influenced by development stages, environmental variables, nutritional intake, and growth rate (Neilson and Geen ; Campana ; Fukuda et al.…”

Section: Introductionmentioning

confidence: 99%

“…Daily increments in otoliths are caused by endogenous circadian endocrine rhythms which arose from periodic environmental factors, such as daily photoperiod and water temperature fluctuation (Radtke and Dean 1982;Campana and Neilson 1985). Although the utility of daily growth increments in providing estimates of age have been validated in a wide variety of species, the increment deposition in otoliths is varied among different species (Campana and Neilson 1985 Carvalho et al 2014). In addition, within the same species, microstructural characteristics and the frequency of deposition can be influenced by development stages, environmental variables, nutritional intake, and growth rate (Neilson and Geen 1982;Campana 1983;Fukuda et al 2009).…”

Section: Introductionmentioning

confidence: 99%

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Validation of daily increment formation in otoliths for Gymnocypris selincuoensis in the Tibetan Plateau, China

Ding

Chen

et al. 2015

Ecology and Evolution

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Daily increment validation in fish otolith is fundamental to studies on fish otolith microstructure, age determination and life history traits, and thus is critical for species conservation and fishery management. However, it has never been done for Schizothoracine fish, which is the dominant component of fish fauna in the Tibetan Plateau. This study validated the daily increment formation of Gymnocypris selincuoensis, as a representative of Schizothoracine fish, by monitoring the growth of hatchery-reared larvae group and wild-caught post-yolk-sac larvae group under controlled experiments. The results from monitoring the hatchery-reared larvae group showed that sagittae and lapilli were found in yolk-sac larvae, and formed 5–7 days before hatching, but asterisci were not found until 11 days post-hatching. The first increment in sagittae and lapilli was formed in the first day after hatching. The daily periodicity of increment formation was examined and confirmed in sagittae and lapilli of both larvae groups. However, sagittae were better for age determination than lapilli for larvae at earlier days. For larval G. selincuoensis older than 50 days, lapilli were the only otolith pair suitable for larvae daily age determination. This study validated the daily increment formation in Schizothoracine fish for the first time has primary implications to other fishes from this subfamily.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Validation of daily increment formation in otoliths for Gymnocypris selincuoensis in the Tibetan Plateau, China

Ding

Chen

et al. 2015

Ecology and Evolution

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“…It was also assumed that the first micro-increment represents the hatching check as observed in other related species (Raventós & Macpherson, 2001). The micro-increments in sagittae are deposited on a daily basis in early juveniles of this species (Carvalho et al ., 2014). Pelagic larval duration was estimated by counting the daily rings from the hatch check until the settlement marks (McCormick, 1994).…”

Section: Methodsmentioning

confidence: 99%

Pelagic larval duration, size at settlement and coastal recruitment of the intertidal blennyLipophrys pholis

et al. 2016

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To study some early life history traits of Lipophrys pholis, 110 recruits (TL ≤ 30 mm) were collected in April and May 2013 during the low tide periods in four rocky beaches along the west (Cabo do Mundo, Peniche and Vale do Homem) and south (Olhos de Água) Portuguese coasts. Pelagic larval duration, size at settlement and age at coastal recruitment were back-calculated from the microstructure of otoliths. Pelagic larval duration estimated from micro-increment counts until the settlement marks ranged from 57 to 73 days and showed a latitudinal reduction trend from north to south. This variable seems to be related in 30% with the regional seawater temperatures probably through the direct effect on the somatic growth. Settlement sizes (~19 mm) did not show any regional differences suggesting that this is a more conservative character within species. The mean age at coastal recruitment varied between 69 and 93 days, but northern individuals were recruited at an older age. Back-calculated spawning, hatching and settlement dates appear to be unrelated to the lunar cycle for L. pholis.

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Ontogenetic development of the sagittal otoliths of Lipophrys pholis (Blenniidae) during the embryonic, larval and settlement stages

et al. 2014

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Validation of otolith daily increments in early juveniles of shanny Lipophrys pholis

Cited by 5 publications

References 17 publications

Validation of daily increment formation in otoliths for Gymnocypris selincuoensis in the Tibetan Plateau, China

Validation of daily increment formation in otoliths for Gymnocypris selincuoensis in the Tibetan Plateau, China

Pelagic larval duration, size at settlement and coastal recruitment of the intertidal blennyLipophrys pholis

Ontogenetic development of the sagittal otoliths of Lipophrys pholis (Blenniidae) during the embryonic, larval and settlement stages

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