Sayaka Matsuo

Description of the embryonic development in the convict cichlid (Amatitlania nigrofasciata)

This paper describes the embryonic development of the convict cichlid from fertilization to hatching, providing a staging table for comparative developmental studies.

Gonadal histology and variation in gonadosomatic index in captive moonfish Mene maculata

This study examines gonadal histology and GSI in captive moonfish to assess spawning-capable status, finding asynchronous ovarian development and male spawning capability at lower GSI values than previously thought.

PEG400 and Tween 80-based simple vehicle for oral delivery of peptide compounds in fish

This paper develops a non-invasive oral delivery vehicle for peptide compounds in fish and demonstrates its use with atosiban.

Social benefits of facial experssion in a cichlid fish: Testing the face concentration hypothesis

This study investigates the social function of facial coloration in cichlid fish, finding it reduces aggression and is controlled by the sympathetic nervous system, independent of mammalian facial expressions.