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Hermaphroditism in fishes: an annotated list of species, phylogeny, and mating system
An annotated list of hermaphroditic fish species is presented from a comprehensive review and careful re-examination of all primary literature and supported the size-advantage model that predicts the evolution of sequential hermphroditism.
Temporal patterns of aggregation formation around wave-dissipating blocks in the grey sea chub Kyphosus bigibbus
Reversed Sex Change in The Haremic Protogynous Hawkfish Cirrhitichthys falco in Natural Conditions
It is concluded that bachelor males use reversed sex change as a facultative tactic to regain reproductive status in a haremic mating system.
Testing the Low-density Hypothesis for Reversed Sex Change in Polygynous Fish: Experiments in Labroides dimidiatus
Field experiments with coral reef fish showed that ‘widowed' males moved to search for a new mate when no male, female or juvenile fish migrated into their territories and paired with nearby single fish, whether male or female, and males expanded their territories to take over the nearest pair whose male was much smaller.
Reversed sex change by widowed males in polygynous and protogynous fishes: female removal experiments in the field
The results suggest that such female removal experiments will contribute to the discovery of reversed sex change in the field also in other polygnous and protogynous fish species.
Male-to-female sex change in widowed males of the protogynous damselfish Dascyllus aruanus
Experiments to make male/female-only groups in the protogynous humbug damselfish Dascyllus aruanus, living on branching-type corals under low-density conditions found the smaller of the widowed males on an isolated coral head changed sex to female when no females or juveniles immigrated onto the coral.
Bidirectional sex change in the magenta dottyback Pictichromis porphyrea: first evidence from the field in Pseudochromidae
Bidirectional sex change of the magenta dottyback Pictichromis porphyrea is confirmed in the field, the first field evidence for this phenomenon in the family Pseudochromidae.
Harem structure and female territoriality in the dwarf hawkfish Cirrhitichthys falco (Cirrhitidae)
- T. Kadota, J. Osato, H. Hashimoto, Y. Sakai
- Environmental ScienceEnvironmental Biology of Fishes
- 28 April 2011
It is suggested that female territoriality plays an important role in defending food resources in haremic hawkfish.
Prevalence of collision death in 2-year-old Pacific bluefin tuna, Thunnus orientalis, reared in land-based tanks for broodstock management
Assessment and future prediction of climate change impacts on the macroalgal bed ecosystem and cultivation in the Seto Inland Sea
Macroalgal bed ecosystems are an important platform for coastal biological production and fisheries. After the late 1990s, rapid decline or disappearance of macroalgal beds, generally called…