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Reproductive Biology of Common Small Pelagic Fishes in Manila Bay, Philippines. Eleanor Rivera, Adonis Bendano, Eunice DC. Bognot, Fe Gonzales, Francisco SB. Torres Jr. 6

By: 4 0 16, [, ] | [, ] |

Contributor(s): Fisheries Resources and Ecological Assessment of Manila Bay 2012-2015. c2016. pp. 47-60 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; 201646Edition: Description: Content type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- Sex Ratio;Length at First Maturity;Spawning Season;Manila Bay Gonadosomatic Index;Reproductive Biology -- -- -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Periodicals Section	Periodicals	SH1.P538 (Browse shelf)	Available		PER1893C

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Previous	SH1.P538 Fisheries Resources and Ecological Assessments Manila Bay 2012-2015 special issue of the Philippine Journal of Fisheries	SH1.P538 Population Parameters of Common Small Pelagic Fishes Caught by Ringnet in Manila Bay, Philippines	SH1.P538 Species Composition, Distribution, Biomas Trends and Exploitation of Dominant Fish Species in Manila Bay using Experimental Trawl Survey	SH1.P538 Reproductive Biology of Common Small Pelagic Fishes in Manila Bay, Philippines.	SH1.P538 Preliminary Inventory of Boats and Gears in Manila Bay	SH1.P538 Spatio-Temporal Distribution of Ichthyoplankton in Manila Bay in Relation to Oceanographic Conditions	SH1.P538 Spatio-Temporal Variability of Zooplankton Distribution and Abundance in Manila Bay From 2013-2015	Next

Abstract : Reproductive biology of the three dominant species (sardinella gibbosa, sardinella fimbriata and rastrelliger kanagurta) were studied in Manila Bay from January 2014 to December 2015. The Data were collected from landed catch ( coming from gillnet, liftnet, purse seine, ringnet and trawl) and during the actual trawl fishing survey. A total of 2,383 sardinella gibbosa, 2,334 sardinella fimbrita and 549 rastrelliger kanagurta were analyzed by pooling the two years data. The overall female to male ratio conformed to the expected 1:1 sex ratio. These species spawn throughout the year with major peak in March and April and minor peak in October to December for Sardinella Gibbosa; with major peak in February to May and minor peak in October to December for Sardinella Fimbriata, and for Rastrelliger kanagurta, with major peak in October to December and minor peak in May and June. The GSI value correlate with the maturation of the gonads of these species. The length at maturity (Lm) was calculated at 12.75cm in males and 13.25cm in females for R. kanagurta. 56

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