Results 41 to 50 of about 609 (173)

Effects of Prawn Shell Meal Diets on Hemocyte Count, Hemolymph Clotting, and Sperm Quality of the Freshwater Prawn Macrobrachium caementarius

Aquaculture Research, Volume 2026, Issue 1, 2026.
Crustacean shells are composed of chitin, which is bound to protein and minerals, along with other essential nutrients. These components are necessary for growth, immune response, the formation of reproductive structures, and the enhancement of sperm quality.
Walter Reyes-Avalos, Gladis Melgarejo-Velásquez, Carlos Azañero-Díaz, Carmen Yzásiga-Barrera, Sorayda Mendoza-Espinoza, Sonia Arroyo-Corales   +5 more
wiley   +1 more source

Portunus pelagicus

Portunus pelagicus (Linnaeus, 1758) Fig. 63 Material examined ERITREA − Mitsiwa • 1 ♀ (120 ×57.7); Raffray? Deyrolle leg.; MNCN20.04/03208. Remarks First record for Eritrean waters, although there is a record very close in the northern waters of Djibouti (DecaNet 2025).
Muñoz, Isabel, García-Raso, J. Enrique, Chillón, Begoña Sánchez, Cuesta, Jose A.   +3 more
openaire   +2 more sources

Molecular Barcoding Identification of the Invasive Blue Crabs Along Tunisian Coast

Fishes
Crabs are the most widely studied marine crustaceans due to their high economic value, ecological significance, and worldwide range in the subtropics and tropics zones.
Nadia Besbes, Stefano Reale, Silvia Scibetta, Carlotta Piazza, Daniela Lo Monaco, Calogero Di Bella, Saloua Sadok   +6 more
doaj   +1 more source

The Gills Area of Two Species of Marine Water Crabs: The Blue Swimming Crab, Portunus pelagicus (Linnaeus, 1758), and the Chinese Mitten Crab, Eriocheir sinensis H. Milne Edwards, 1853 from the North- West Arabian Gulf and Shatt Al-Arab River , Iraq.

Maǧallaẗ al-baṣraẗ al-ʻulūm al-zirāʻiyyaẗ, 2019
The present study was conducted on the gills structure and the gill surface area of 40 individuals of the Blue swimming crabs, Portunus pelagicus, and 40 Chinese mitten crabs, Eriocheir sinensis, specimens of the species were collected from the ...
Intisar M.A. Jabbar, Salah M. Najim, Entesar N. Sultan   +2 more
doaj   +1 more source

Genetic Variations and Expansion of the Blue Swimmer Crab (Portunus pelagicus) in Southeast Asia

Journal of Marine Science and Engineering, 2022
Blue swimmer crabs (Portunus pelagicus) primarily inhabit the coastal regions of Southeast Asia. This study aimed to examine their population genetic structure, phylogeography, and historical demography by applying partial sequences to the control region
Yu-Ming Lu, Chun-Han Shih, Po-Cheng Chen, Wei-Chieh Kao, Ying-Chou Lee, Yu-San Han, Tzong-Der Tzeng   +6 more
doaj   +1 more source

Temperature‐induced Effects on Ecdysis Frequency, Feeding, and Growth Response of Gazami (Portunus trituberculatus) Crablets

Aquaculture, Fish and Fisheries, Volume 5, Issue 6, December 2025.
ABSTRACT Gazami (Portunus trituberculatus) is a key species in stock enhancement programs in Japan. Recently, a severe decline in the Western Japan population has been observed, emphasizing the need for improvements in these programs. This study aimed to evaluate the effects of temperature on Gazami crablets under hatchery conditions, focusing on ...
Angelo C. Macario, Tania Islam, Manuel Eduardo L. de la Paz, Alexander J. Balsomo, Takeshi Tomiyama   +4 more
wiley   +1 more source

BIOLOGI POPULASI RAJUNGAN(Portunus pelagicus) DI PERAIRANSEKITARWILAYAHPATI, JAWATENGAH

BAWAL Widya Riset Perikanan Tangkap, 2015
Rajungan (Portunus pelagicus) adalah salah satu komoditas perikanan yang sudah banyak dieksploitasi oleh nelayan tradisional. Penangkapan yang berlebihan merupakan salah satu penyebab menurunnya populasi alamidari rajungan. Kondisi tersebut dikhawatirkan akanmengancamkelestarian dan keberlanjutan pemanfaatannya, sehingga perlu dilakukan penelitian ...
Tri Ernawati, Mennofatria Boer, Yonvitner Yonvitner   +2 more
openaire   +2 more sources

Reproductive performance and larval quality of blue swimming crab (Portunus pelagicus) broodstock, fed with different feeds [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2012
Fecundity, hatching rate and crab larvae quality of blue swimming crab, Portunus pelagicus, broodstock reared inearthen ponds, fed with different feeds, were studied for about 150 days.
Vutthichai Oniam, Likhit Chuchit, Wasana Arkronrat   +2 more
doaj  

Stock conditions and status of blue swimming crab (Portunus pelagicus) in Demak water area, the northern coast of Central Java

Depik Jurnal, 2022
Blue swimming crab (Portunus pelagicus) is the dominant catch in Betahwalang, Demak, and the most important export fish commodity, particularly to USA.
Aisyah Nur Nabila, Am Azbas Taurusman, Budy Wiryawan, Mochammad Riyanto   +3 more
doaj   +1 more source

Morphometrics of Swimming Crabs (Portunus pelagicus) in Lombok Waters

Jurnal Biologi Tropis
Crab catches that do not meet standards have the potential to disrupt the population structure and reduce the size of the catch, so morphometric information is important as a basis for sustainable management and utilization; moreover, in Lombok waters, morphometric reference data is declared unavailable, while regulations also stipulate a prohibition ...
Lilik Supiani, Karnan Karnan, Mohammad Liwa Ilhamdi   +2 more
openaire   +1 more source