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Omani abalone fishery

Presented by Wafa ALabdali

ID: 130127

Superviser: Dr. Saud AL Jufaili

Outline :

Scientific classification:

-Haliotis Mariae (Omani abalone)

-(locally called As’sufailah)

Introduction

Description:

What dose abalone look like?

size of 100 mm

tremata

....

اExternal fertilization

  • -Depths between 0 and 30 meters

  • -There are two variables for a successful season:

-population densities

-availability of rocky areas

  • -Sea urchins

  • -Grow up to 2–3 cm/year, adults live up to 30 y.

FOOD!

Distribution :

The Sultanate of Oman prides itself as the only country in the Middle East region where an abalone fishery exists.

Distribution :

abalone species

Haliotis Mariae

-Haliotis arabiensis

-Haliotis unilateralis

Landing Sites and Time:

Averagr of 30 y data...

Landing Sites and Time

fishing season

The rates and quantities of abalone landing are changed annually by the season.

Spawning season :

-October–November

January– March

-November–January

-December–January

  • Abalone move toward shallower water from September to February

breeding and feeding?

  • Abalone attained sexual maturity at approximately 60–65 mm shell length at Hat and 75–100 mm in Hadbin

Management Rules and Regulations:

Several laws were placed on the commitment of fishermen and other measures for three decades.

Management Rules and Regulations

1) Banning fishing of 90 mm and deeper more than 8 meters.

2) preventing the use of SCUBA devices during diving for fishing.

3) Collection of abalone is allowed only from sunset to sunrise.

4) Use of artificial lights of all kinds for locating abalone is prohibited.

5) Flipping of rocks while removing abalone from its habitat is prohibited.

6) All abalone dealers must be registered.

7) Dealers are prohibited from buying abalone from unlicensed fishers.

Abalone processing and marketing:

moratorium ?

Processing and marketing

How to improve and develop aquaculture for Omani abalone?

Aquaculture and Stock Enhancement:

1-Temporary reserves must be established in all effective fishing areas in the Sultanate.

2-Fishing must also be prevented for 3-5 years.

References :

  • Jufaili, S.M., Rashdi, K.A. and Elegbede, I.O. (2020) “The omani abalone haliotis mariae (wood, 1828) fishery: Challenges over three decades,” Journal of Shellfish Research, 39(3). Available at: https://doi.org/10.2983/035.039.0314.

  • Mollusca (2020) Oman Aquaculture. Available at: https://aquacultureoman.com/?page_id=649 (Accessed: February 18, 2023).

  • rashdi, khalfan A. (2014) A Manual on hatchery and seed production of Omani abalone, Haliotis mariae, in the Sultanate of Oman, Academia.edu. Available at: https://www.academia.edu/2948751/A_manual_on_Hatchery_and_Seed_Production_of_Omani_abalone_Haliotis_mariae_in_the_Sultanate_of_Oman (Accessed: February 18, 2023).

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