Changes in the Cells of the Adenohypophysis Associated with the Diadromous Migration of the Threespine Stickleback, &lt;i&gt;Gasterosteus aculeatus&lt;/i&gt; L

Honma, Yoshio; Teshigawara, Hiroshi; Chibá, Akira

doi:10.1679/aohc1950.39.1

Cited by 16 publications

(11 citation statements)

References 19 publications

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“…Being the longest duration of exposure, this is a puzzling result and further study is needed to verify these findings. Hyperplasia due to adenomatous goiter could contribute to a deeper BD measurement and has been demonstrated in previous studies (Honma et al, 1977). BD increased with delayed exposure in 100 mg/L upshift treatments through 14 dpf, but was consistently high for all exposures in 30 mg/L (Figure 4C & D).…”

Section: Discussionsupporting

confidence: 62%

Developmental timing of perchlorate exposure alters threespine stickleback dermal bone

Furin

Hippel

Postlethwait

et al. 2015

General and Comparative Endocrinology

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Adequate levels of thyroid hormone are critical during development and metamorphosis, and for maintaining metabolic homeostasis. Perchlorate, a common contaminant of water sources, inhibits thyroid function in vertebrates. We utilized threespine stickleback (Gasterosteus aculeatus) to determine if timing of perchlorate exposure during development impacts adult dermal skeletal phenotypes. Fish were exposed to water contaminated with perchlorate (30 mg/L or 100 mg/L) beginning at 0, 3, 7, 14, 21, 42, 154 or 305 days post fertilization until sexual maturity at one year of age. A reciprocal treatment moved stickleback from contaminated to clean water on the same schedule providing for different stages of initial exposure and different treatment durations. Perchlorate exposure caused concentration-dependent significant differences in growth for some bony traits. Continuous exposure initiated within the first 21 days post fertilization had the greatest effects on skeletal traits. Exposure to perchlorate at this early stage can result in small traits or abnormal skeletal morphology of adult fish which could affect predator avoidance and survival.

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Section: Discussionsupporting

confidence: 62%

Developmental timing of perchlorate exposure alters threespine stickleback dermal bone

Furin

Hippel

Postlethwait

et al. 2015

General and Comparative Endocrinology

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“…Among these types, the freshwater type is believed to have been derived from anadromous populations (Bell and Foster, 1994;. Furthermore, reared individuals showed that juveniles of the PO form had lower mortalities than the JS form after 2 or 3 months in freshwater, the JS form being particularly susceptible to thyroid goiter (Honma et al, 1977;Yamada, 2003). The anadromous PO form has greater adaptivity to the freshwater environment than the JS form has.…”

Section: Discussionmentioning

confidence: 99%

Distinct spawning migration patterns in sympatric Japan Sea and Pacific Ocean forms of threespine stickleback Gasterosteus aculeatus

et al. 2005

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Spawning migration patterns were compared between sympatric populations of the anadromous Japan Sea (JS) form and Pacific Ocean (PO) form of the threespine stickleback Gasterosteus aculeatus in the Lake Akkeshi-Bekanbeushi River system, eastern Hokkaido, Japan. In Akkeshi Bay and Lake Akkeshi, the JS form had longer collecting peak periods and more collection peaks than the PO form. Furthermore, although the PO form migrated upstream in freshwater habitats, the greater part of the JS form stayed in brackish waters before breeding. These findings suggest that the 2 forms have distinctly different spawning migration patterns and breeding grounds.

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“…In spite of that, no population with freshwater resident life history style has been found in the Japan Sea form , Arai et al 2003a. In rearing experiments, juvenile fishes of the Japan Sea form did not survive for more than two or three months in freshwater environments, being attacked by thyroid goiter (Hamada 1975, Honma et al 1977, Sugisaki & Honma 1981, Yamada 2003. Thus, lack of freshwater populations of the Japan Sea form in natural waters may be attributed to their low freshwater adaptability in young developmental period.…”

Section: Resultsmentioning

confidence: 99%

A part of the Japan Sea form of the threespine stickleback, Gasterosteus aculeatus, spawns in the seawater tidal pools of western Hokkaido Island, Japan

Kume

Kuwahara²,

Arai

et al. 2006

Environ Biol Fish

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SynopsisThe Japan sea form of the threespine stickleback, Gasterosteus aculeatus, was found to spawn in the seawater tidal pool of the Cape Benkei, western Hokkaido Island, Japan, in 2001 and 2003. Nest-guarding males, adult females and juveniles of this form were also observed in four tidal pools of the Capes Benkei, Kabuto and Kamui, in 2001-2003. Otolith Sr:Ca ratios in sticklebacks collected from these tidal pools were relative high from the core to the edge, suggesting they lived in seawater environments throughout its life cycle. These findings suggest that a part of the Japan Sea form's individuals in western Hokkaido Island have the potential to breed in the coastal sea and the life history style has evolved in dependence on the seawater environment.2

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Changes in the Cells of the Adenohypophysis Associated with the Diadromous Migration of the Threespine Stickleback, <i>Gasterosteus aculeatus</i> L

Cited by 16 publications

References 19 publications

Developmental timing of perchlorate exposure alters threespine stickleback dermal bone

Developmental timing of perchlorate exposure alters threespine stickleback dermal bone

Distinct spawning migration patterns in sympatric Japan Sea and Pacific Ocean forms of threespine stickleback Gasterosteus aculeatus

A part of the Japan Sea form of the threespine stickleback, Gasterosteus aculeatus, spawns in the seawater tidal pools of western Hokkaido Island, Japan

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