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Article
Open AccessTrace metals in transboundary (India–Myanmar–Bangladesh) anadromous fish Tenualosa ilisha and its consequences on human health
Hilsa shad (Tenualosa ilisha, Hamilton, 1822), the highly coveted table fish within the Indian subcontinent, is Bangladesh's most significant single-species fishery. To assess the risk that toxic metals pose to h...
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Article
Advisory Editor profile: Takaomi Arai
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Article
Open AccessYear-round spawning of three tropical Cypriniformes fishes in Southeast Asia
Present knowledge on spawning seasonality of freshwater fishes in tropical Asia and their relationship with environmental factors remains limited. Three Southeast Asian Cypriniformes fishes, Lobocheilos ovalis, R...
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Article
Migration ecology in the freshwater eels of the genus Anguilla Schrank, 1798
Science has long attempted to understanding the mysteries of migration in the freshwater eels of the genus Anguilla. Freshwater eels are of tropical marine ancestor and have spread worldwide. As diadromous fish s...
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Article
Correction to: Inshore migration of a tropical eel, Anguilla marmorata, from Taiwanese and Japanese coasts
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Molecular and morphological evidence for the identity of the blackspot shark, Carcharhinus sealei, and the Indonesian whaler shark, C. tjutjot, with notes on their population structures
The requiem sharks of the genus Carcharhinus are captured as bycatch in the Indo-Pacific region. The lack of morphometric data due to the common practice of head and fin removal of sharks, hinders the implementat...
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Article
Rhythmic activity of inshore migration of tropical freshwater glass eels of the genus Anguilla
Compared with temperate Anguilla, little is known about the early marine migration and recruitment mechanisms of these tropical eels. To understand the ecological and behavioural mechanisms of their inshore migra...
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Open AccessHabitat segregation and migration in tropical anguillid eels, Anguilla bengalensis bengalensis and A. bicolor bicolor
Anguillid eels of the genus Anguilla, which have a unique catadromous life history, are widely distributed across many parts of the world. However, little research has been conducted on the behavioural mechanisms...
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Article
Migratory History of the Fourspine Sculpin Rheopresbe kazika, a National Monument Species in Japan
The fourspine sculpin Rheopresbe kazika is a cottid fish endemic to Japan, and this fish is designated as a national monument species in some areas of the country. The natural population of the fish has decreased...
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Article
Molecular and morphological evidence for the identity of the giant mottled eel, Anguilla marmorata in Southeast Asia
Tropical anguillid eels account for two-thirds of all species in the genus Anguilla, however information on the species diversity, biogeography, and life histories is very limited. The anguillid eels found in Sou...
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Open AccessHabitat preference and diverse migration in threespine sticklebacks, Gasterosteus aculeatus and G. nipponicus
Threespine sticklebacks of the genus Gasterosteus, are small teleost fish that are widely distributed across the northern hemisphere. The fish is believed to have two major types of life history, freshwater resid...
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Article
Validation of Occurrence and Ecological Implication of Tropical Shads Tenualosa ilisha and T. toli (Teleostei: Clupeidae) in Bruneian and Malaysian Waters
A tropical shad of the genus Tenualosa is an important and high commercial value clupeid fish in the Indo-Pacific region. The tropical shads found in Peninsular Malaysia and Brunei Darussalam were identified usin...
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Article
Reproductive characteristics of coral-reef fishes, Pomacentridae, Monodactylidae and Chaetodontidae, in the east coast of Peninsula Malaysia
In order to understand the reproductive ecology of coral-reef fishes, fecundity which is the physiological maximum potential reproductive output, was examined in eleven families of coral-reef fishes in the eas...
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Article
Validation of occurrence of a tropical shad Tenualosa toli (Teleostei: Clupeidae) in Brunei Darussalam
The tropical shads found in Brunei Darussalam was identified using a morphological analysis, and the identification was further validated by an analysis of the shads’ 16S ribosomal RNA gene sequences. Because ...
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Diversity and Abundance Fish Assemblages in the Setiu Wetlands, Terengganu, Malaysia
The sampling programme was conducted to determine the diversity and abundance in fish assemblages from June 2011 to July 2012 using gill and trawl and . A total of 13,132 individuals of fishes comprising 11...
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Article
Open AccessOpportunistic migration and habitat use of the giant mottled eel Anguilla marmorata (Teleostei: Elopomorpha)
Freshwater eels have fascinated biologists for centuries due to the spectacular long-distance migrations between their freshwater habitats and their spawning areas far out in the ocean. Although freshwater eel...
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Flexible seaward migration of Dolly Varden Salvelinus malma in the Shiretoko Peninsula, Hokkaido, Japan
The migratory history of Dolly Varden Salvelinus malma was investigated in 30 streams in the Shiretoko Peninsula, Hokkaido, Japan, which is in the southern part of their distribution. Captured Dolly Varden were c...
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Article
Fecundity of the tropical catadromous eels Anguilla bicolor bicolor, A. bengalensis bengalensis and A. marmorata
Maturation is one of the most important ontogenetic transitions in an individual’s life. However, the reproductive ecology of the tropical anguillid eel genus Anguilla at the onset of oceanic spawning migration i...
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Open AccessDiversity, distribution and different habitat use among the tropical freshwater eels of genus Anguilla
Along with the mysteries of their ecology, freshwater eels have fascinated biologists for centuries. However, information concerning species diversity, geographic distribution, and life histories of the tropic...
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Article
Influence of water salinity on the strontium:calcium ratios in otoliths of the giant mottled eel, Anguilla marmorata
The otolith strontium (Sr):calcium (Ca) ratios have been widely used to reconstruct the migratory history of anguillid eels. However, factors affecting the Sr:Ca ratios in otoliths are incompletely understood ...
