Fecundity of Cortez angelfish Pomacanthus zonipectus (Teleostei: Pomacanthidae) off Espíritu Santo Island, Gulf of Califonia, Mexico

M. Arellano-Martínez, B. P. Ceballos-Vázquez, L. Hernández-Olalde, F. Galván-Magaña

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4 Citations (Scopus)

Abstract

The Cortez angelfish Pomacanthus zonipectus is an important species for the aquarium market and knowledge of its reproductive potential is useful to establish strategies for its fishery management. To estimate partial and relative fecundity, samples of P. zonipectus were collected during the breeding season (June-November) off Espiritu Santo Island, Gulf of California, Mexico. After a histological study, mature ovaries that showed no evidence of spawning were selected for analysis. The minimum sample size was calculated with a new methodology based on the von Bertalanffy model and fecundity was calculated using the hydrated oocytes method. The minimum sample size was 0.04 g. Mean partial fecundity was 40,755 oocytes female-1, and relative fecundity was 79.4 oocytes g-1 eviscerated weight (EW) and 201.2 oocytes mm-1 standard length (SL). A positive and significant correlation was observed between partial fecundity and fish size, in both EW and SL (P < 0.05). The relation between partial fecundity and fish size (EW and SL) was expressed by an exponential function.
Original languageAmerican English
Pages (from-to)65-71
Number of pages57
JournalCiencias Marinas
DOIs
StatePublished - 1 Jan 2006
Externally publishedYes

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Pomacanthidae
Gulf of Mexico
fecundity
Fish
oocytes
Fisheries
Exponential functions
reproductive potential
Gulf of California
fish
aquarium
fishery management
fisheries management
aquariums
sampling
breeding season
Pomacanthus
gulf
spawning
Mexico

Cite this

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title = "Fecundity of Cortez angelfish Pomacanthus zonipectus (Teleostei: Pomacanthidae) off Esp{\'i}ritu Santo Island, Gulf of Califonia, Mexico",
abstract = "The Cortez angelfish Pomacanthus zonipectus is an important species for the aquarium market and knowledge of its reproductive potential is useful to establish strategies for its fishery management. To estimate partial and relative fecundity, samples of P. zonipectus were collected during the breeding season (June-November) off Espiritu Santo Island, Gulf of California, Mexico. After a histological study, mature ovaries that showed no evidence of spawning were selected for analysis. The minimum sample size was calculated with a new methodology based on the von Bertalanffy model and fecundity was calculated using the hydrated oocytes method. The minimum sample size was 0.04 g. Mean partial fecundity was 40,755 oocytes female-1, and relative fecundity was 79.4 oocytes g-1 eviscerated weight (EW) and 201.2 oocytes mm-1 standard length (SL). A positive and significant correlation was observed between partial fecundity and fish size, in both EW and SL (P < 0.05). The relation between partial fecundity and fish size (EW and SL) was expressed by an exponential function.",
author = "M. Arellano-Mart{\'i}nez and Ceballos-V{\'a}zquez, {B. P.} and L. Hern{\'a}ndez-Olalde and F. Galv{\'a}n-Maga{\~n}a",
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T1 - Fecundity of Cortez angelfish Pomacanthus zonipectus (Teleostei: Pomacanthidae) off Espíritu Santo Island, Gulf of Califonia, Mexico

AU - Arellano-Martínez, M.

AU - Ceballos-Vázquez, B. P.

AU - Hernández-Olalde, L.

AU - Galván-Magaña, F.

PY - 2006/1/1

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N2 - The Cortez angelfish Pomacanthus zonipectus is an important species for the aquarium market and knowledge of its reproductive potential is useful to establish strategies for its fishery management. To estimate partial and relative fecundity, samples of P. zonipectus were collected during the breeding season (June-November) off Espiritu Santo Island, Gulf of California, Mexico. After a histological study, mature ovaries that showed no evidence of spawning were selected for analysis. The minimum sample size was calculated with a new methodology based on the von Bertalanffy model and fecundity was calculated using the hydrated oocytes method. The minimum sample size was 0.04 g. Mean partial fecundity was 40,755 oocytes female-1, and relative fecundity was 79.4 oocytes g-1 eviscerated weight (EW) and 201.2 oocytes mm-1 standard length (SL). A positive and significant correlation was observed between partial fecundity and fish size, in both EW and SL (P < 0.05). The relation between partial fecundity and fish size (EW and SL) was expressed by an exponential function.

AB - The Cortez angelfish Pomacanthus zonipectus is an important species for the aquarium market and knowledge of its reproductive potential is useful to establish strategies for its fishery management. To estimate partial and relative fecundity, samples of P. zonipectus were collected during the breeding season (June-November) off Espiritu Santo Island, Gulf of California, Mexico. After a histological study, mature ovaries that showed no evidence of spawning were selected for analysis. The minimum sample size was calculated with a new methodology based on the von Bertalanffy model and fecundity was calculated using the hydrated oocytes method. The minimum sample size was 0.04 g. Mean partial fecundity was 40,755 oocytes female-1, and relative fecundity was 79.4 oocytes g-1 eviscerated weight (EW) and 201.2 oocytes mm-1 standard length (SL). A positive and significant correlation was observed between partial fecundity and fish size, in both EW and SL (P < 0.05). The relation between partial fecundity and fish size (EW and SL) was expressed by an exponential function.

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