On the spatial relationship between the spawning and feeding parts of the range of lumpfish Cyclopterus lumpus (Cyclopteridae) in the Barents Sea and adjacent waters (according to results of analysis of the size composition similarity)

Rusyaev, S. M.

doi:10.1134/s0032945213030119

Cited by 4 publications

(6 citation statements)

References 3 publications

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“…Scott and Scott () discuss observations that provide some evidence that C. lumpus can dwell in the upper levels of the mesopelagic zone (200–1000 m depth), where light levels are low. Cyclopterus lumpus might not be entirely pelagic (Kudryavtzeva, ) as they move around extensively to spawn and live on the ocean bottom, in inter‐tidal pools or, semipelagically, sticking to a range of different objects near the water surface such as kelp. Cyclopterus lumpus in the culture housing tanks at JBARB often swim toward a human observer above the surface of the water.…”

Section: Discussionmentioning

confidence: 99%

Novel characteristics of the cultured Lumpfish Cyclopterus lumpus eye during post‐hatch larval and juvenile developmental stages

Ahmad

Paradis

Boyce

et al. 2019

Journal of Fish Biology

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We systematically analysed the characteristics of the Cyclopterus lumpus eye and retina during cultured post‐hatch developmental stages using gross observations, histology, immunohistochemistry, microscopy, fundus imaging and spectral domain optical coherence tomography retinal imaging. Post‐hatch developing cultured C. lumpus eye and retinal tissues share a number of features typically conserved in other teleost fish. However, cultured C. lumpus possess some novel ocular and retinal features different from previous descriptions of other teleosts, including a prominent retractor lentis pigmented tissue closely associated with the vascular rete mirabile, peripherally located lobes of separate retinal tissue containing proliferative cells, extensive tapetum material of varying thickness, prominent fundus stripes and an elongated rod‐shaped optic nerve stalk. Post‐hatch developing cultured C. lumpus also developmentally regulate a protein homologous to alpha smooth‐muscle actin in strikingly dense continuous bands in the plexiform layers of the retina. The novel features of the eye and retina of cultured C. lumpus described here could contribute to our understanding of fitness and survival of C. lumpus in a widely ranging habitat.

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Section: Discussionmentioning

confidence: 99%

Novel characteristics of the cultured Lumpfish Cyclopterus lumpus eye during post‐hatch larval and juvenile developmental stages

Ahmad

Paradis

Boyce

et al. 2019

Journal of Fish Biology

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“…Mature females range from 35-45 cm and are often bluish gray or green in color, while males are 17-38 cm and display nuptial colors of pink, orange and deep red (Andrijasev 1964;Daborn & Gregory 1983). A decrease in average length of females from west to north due to gradual changes in habitat preference and decreasing water temperature has been observed (Rusyaev 2013). One year old juveniles are brown, dark purple red, brown spotted or red in colour (FIGURE 2, Appendix III), assumed to be a function of background colour and reflecting habitat choice (Moring, 1994).…”

Section: General Lumpfish Biologymentioning

confidence: 99%

“…Temperature factors are crucial to lumpfish, as feeding grounds for the lumpfish spawning on the northern coasts of Norway and Russia are limited by the polar front (Rusyaev 2013).…”

Section: Feeding Habitat Preferences and Migrations Of Adult Lumpfishmentioning

confidence: 99%

“…Mitamura et al (2012) observed females migrating between neighboring fjords in search of spawning males, before residing for approximately 1-3 weeks to spawn. Lumpfish are active swimmers, often observed swimming against the current when performing migratory movements away from shore (Mitamura et al 2012), but can also exploit water currents facilitate rapid migrations to feeding grounds for lumpfish (Rusyaev 2013). Minimum speeds of female lumpfish leaving spawning grounds exceed 0.72 km per hour, making lumpfish females vulnerable to passive gears exploited in fisheries (Mitamura et al 2012).…”

Section: Feeding Habitat Preferences and Migrations Of Adult Lumpfishmentioning

confidence: 99%

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The effect of temperature and fish size on growth of juvenile lumpfish (Cyclopterus lumpus L.)

et al. 2014

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“…Contrary to what one would expect from the body shape, C . lumpus is a good swimmer, performing extensive migrations between the open ocean (where it feeds) and coastal areas (where it reproduces) [ 48 , 49 ]. Cyclopterus lumpus is one of the few species that utilize comb jellies ( Ctenophora ) as food [ 38 , 50 ].…”

Section: Discussionmentioning

confidence: 99%

Functional roles and redundancy of demersal Barents Sea fish: Ecological implications of environmental change

et al. 2018

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When facing environmental change and intensified anthropogenic impact on marine ecosystems, extensive knowledge of how these systems are functioning is required in order to manage them properly. However, in high-latitude ecosystems, where climate change is expected to have substantial ecological impact, the ecosystem functions of biological species have received little attention, partly due to the limited biological knowledge of Arctic species. Functional traits address the ecosystem functions of member species, allowing the functionality of communities to be characterised and the degree of functional redundancy to be assessed. Ecosystems with higher functional redundancy are expected to be less affected by species loss, and therefore less sensitive to disturbance. Here we highlight and compare typical functional characteristics of Arctic and boreal fish in the Barents Sea and address the consequences of a community-wide reorganization driven by climate warming on functional redundancy and characterization. Based on trait and fish community composition data, we assessed functional redundancy of the Barents Sea fish community for the period 2004–2012, a period during which this northern region was characterized by rapidly warming water masses and declining sea ice coverage. We identified six functional groups, with distinct spatial distributions, that collectively provide a functional characterization of Barents Sea fish. The functional groups displayed different prevalence in boreal and Arctic water masses. Some functional groups displayed a spatial expansion towards the northeast during the study period, whereas other groups showed a general decline in functional redundancy. Presently, the observed patterns of functional redundancy would seem to provide sufficient scope for buffering against local loss in functional diversity only for the more speciose functional groups. Furthermore, the observed functional reconfiguration may affect future ecosystem functioning in the area. In a period of rapid environmental change, monitoring programs integrating functional traits will help inform management on ecosystem functioning and vulnerability.

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On the spatial relationship between the spawning and feeding parts of the range of lumpfish Cyclopterus lumpus (Cyclopteridae) in the Barents Sea and adjacent waters (according to results of analysis of the size composition similarity)

Cited by 4 publications

References 3 publications

Novel characteristics of the cultured Lumpfish Cyclopterus lumpus eye during post‐hatch larval and juvenile developmental stages

Novel characteristics of the cultured Lumpfish Cyclopterus lumpus eye during post‐hatch larval and juvenile developmental stages

The effect of temperature and fish size on growth of juvenile lumpfish (Cyclopterus lumpus L.)

Functional roles and redundancy of demersal Barents Sea fish: Ecological implications of environmental change

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