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Turkish Journal of Fisheries and Aquatic Sicences 2017, Vol 17, Num, 1     (Pages: 31-39)

Morphophysiological Indices of the Green Abalone Haliotis fulgens Philippi, 1845 at Mexican Ocean Pacific Coast

Nurenskaya Vélez-Arellano 1 ,Federico A. García-Domínguez 1 ,Daniel B. Lluch-Cota 2 ,José L. Gutiérrez-González 3 ,Luis Antonio Salcido-Guevara 5 ,Rebeca Sanchez-Cardenas 4

1 Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas, Av. Instituto Politécnico Nacional s/n, Col. Playa Palo de Santa Rita, Apdo. Postal 592, La Paz, México. αCONACyT, αBEIFI and βCOFAA scholar.
2 Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Sur, La Paz, México.
3 Centro Regional de Investigación Pesquera, Carretera a Pichilingue Km 1 s/n, Col. El Esterito, La Paz, México
4 CONACyT-Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen s/n, Col. Los Pinos, C.P. 82000. Mazatlán, México.
5 Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen s/n, Col. Los Pinos, C.P. 82000. Mazatlán, México.
DOI : 10.4194/1303-2712-v17_1_05 The monitoring on abalone banks has been intensified since the declining of wild global production due to overfishing, disease, environmental changes and poaching. This is to support timely decisions to execute actions for mitigation, prevention, conservation and fisheries production benefits. Eight morphophysiological indices for green abalone, Haliotis fulgens Philippi, 1845 from the Pacific coast of Mexico were evaluated and their performance were elucidated due to their potential as monitoring tools. The Boolootian’s gonadic index (GIB) and gonadic area index (GAIA) were informative of complete reproductive cycle, thus are reliable for reproductive patterns monitoring. While gonadic index (GI) and gonadic index of calculated mass (MGI) were suitable indicators only of spawning. The condition index of calculated mass (MCI), foot index of calculated mass (MFI), condition index (CI) and foot index (FI) proved temporal changes of soft tissues condition. The MFI clearly defined the best nutritional status of the green abalone foot between March to August, indicating the time when fishing organizations can get the best yields and highest foot quality at Baja California Peninsula, Mexico. Therefore MFI can be used as cheap and quick information to make decisions on the start-up of fishing operations and abalone condition monitoring. Keywords : reproductive indices, condition indices, foot index, Gastropoda, abalone fishery