Morales-Serna Francisco N, Hernández-Inda Zaira L, Gómez Samuel, de León Gerardo Pérez-Ponce
Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ap. Postal 70-153, C.P. 04510, México D.F., México.
Acta Parasitol. 2013 Sep;58(3):367-75. doi: 10.2478/s11686-013-0150-x. Epub 2013 Aug 29.
Caligus serratus Shiino, 1965 (Copepoda: Caligidae), a parasite on 11 fish species caught in Chamela Bay off the Pacific Coast of Mexico, is redescribed based on material found on Pacific agujon needlefish Tylosurus pacificus (Steindachner, 1876). Caligus serratus can be distinguished from its congeners by the combination of the following characters: i) short abdomen (approximately 0.2 times as long as cephalothorax), ii) pointed posteromedial process on the first segment of the antenna, iii) sternal furca with bluntly pointed, diverging tines, and iv) leg 4 exopod bearing 3 unequal, distal spines (the shortest 0.2 times the length of the longest). Microphotographs of female and illustrations of both female and male are provided. The redescription of this species might be useful given its low host specificity.
锯状海鲺,1965年由椎野命名(桡足纲:海鲺科),是一种寄生于在墨西哥太平洋海岸查梅拉湾捕获的11种鱼类的寄生虫,基于在太平洋针鱼(泰勒太平洋针鱼,1876年由施泰因达赫纳命名)上发现的材料对其进行重新描述。锯状海鲺可通过以下特征组合与同属其他物种区分开来:i)腹部短(约为头胸部长度的0.2倍),ii)触角第一节上的后内侧突起呈尖状,iii)胸骨叉的叉尖钝且分开,iv)第4对足外肢有3根不等长的远端刺(最短的为最长的0.2倍)。提供了雌性的显微照片以及雌性和雄性的图示。鉴于该物种宿主特异性较低,对其重新描述可能会有所帮助。