S. A. Evseenko, D. V. Bolshakov, Ya. Yu. Bolshakova, Yurii O. Kopylov-Guskov, N. V. Gordeeva, E. Karpova, A. Boltachev
— The results of analysis of 88 specimens of the Mekong blind sole ( Typhlachirus elongatus ) from the Mekong River delta in Vietnam indi- cate that the range of variability in meristic diagnostic characters of this species is broader than previously doc-umented. Comparison of the new mor- phological data for T. elongatus from our analysis with data from the available literature for T. lipophthalmus and T. caecus reveals no differences between species. This fact confirms Chabanaud’s conclusions about the monotypy of the genus Typhlachirus and indicates the need for further revision of the genus. Here, molecular data from the genes cytochrome c oxidase subunit 1 and 16S rRNA are presented for the first time for the genus Typhlachirus .
{"title":"New data on the morphology of the Mekong blind sole (Typhlachirus elongatus) indicating the need for a revision of the genus","authors":"S. A. Evseenko, D. V. Bolshakov, Ya. Yu. Bolshakova, Yurii O. Kopylov-Guskov, N. V. Gordeeva, E. Karpova, A. Boltachev","doi":"10.7755/fb.120.2.2","DOIUrl":"https://doi.org/10.7755/fb.120.2.2","url":null,"abstract":"— The results of analysis of 88 specimens of the Mekong blind sole ( Typhlachirus elongatus ) from the Mekong River delta in Vietnam indi- cate that the range of variability in meristic diagnostic characters of this species is broader than previously doc-umented. Comparison of the new mor- phological data for T. elongatus from our analysis with data from the available literature for T. lipophthalmus and T. caecus reveals no differences between species. This fact confirms Chabanaud’s conclusions about the monotypy of the genus Typhlachirus and indicates the need for further revision of the genus. Here, molecular data from the genes cytochrome c oxidase subunit 1 and 16S rRNA are presented for the first time for the genus Typhlachirus .","PeriodicalId":50442,"journal":{"name":"Fishery Bulletin","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41500198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
2 Changing Oceans Research Unit Institute for the Oceans and Fisheries University of British Columbia 2202 Main Mall Vancouver, British Columbia V6T 1Z4, Canada 3 Institute of Environment and Department of Biological Sciences Florida International University 3000 NE 151 Street, AC1-213 North Miami, Florida 33181 Abstract—Fisheries for Caribbean sponge species began in the mid-1800s and landings peaked around the early 1900s before crashing because of a combination of overexploitation, disease, and hurricanes as well as, later, the introduction of artificial sponges. Still, artisanal sponge fisheries remain in Florida and areas of the Caribbean like The Bahamas, but none of those fisheries or the sponges upon which they depend are well studied. On the basis of data and information published by J. Storr in 1964 as well as of our own data, von Bertalanffy growth parameters were estimated for the most commercially valuable Caribbean sponge, the sheepswool sponge or wool sponge (Hippospongia lachne), along with related statistics, notably longevity. Also, morphological dimensional constraints that are likely to limit the supply of oxygen deep within this and other nearspherical sponge species are presented, along with the sponges’ evolutionary and ontogenic responses to these constraints. These considerations are also illustrated with data from species other than the wool sponge and are consistent with a general theory of growth for waterbreathing ectotherms, the gilloxygen limitation theory. The information provided herein should be useful for quantifying the ecosystem effect of sponge fisheries in Florida, The Bahamas, and elsewhere and for improving the management of sponge fisheries and mariculture worldwide.
{"title":"Growth and related traits of the sheepswool sponge (Hippospongia lachne): practical and theoretical considerations","authors":"D. Pauly, Nicola Smith, M. Butler","doi":"10.7755/fb.120.2.1","DOIUrl":"https://doi.org/10.7755/fb.120.2.1","url":null,"abstract":"2 Changing Oceans Research Unit Institute for the Oceans and Fisheries University of British Columbia 2202 Main Mall Vancouver, British Columbia V6T 1Z4, Canada 3 Institute of Environment and Department of Biological Sciences Florida International University 3000 NE 151 Street, AC1-213 North Miami, Florida 33181 Abstract—Fisheries for Caribbean sponge species began in the mid-1800s and landings peaked around the early 1900s before crashing because of a combination of overexploitation, disease, and hurricanes as well as, later, the introduction of artificial sponges. Still, artisanal sponge fisheries remain in Florida and areas of the Caribbean like The Bahamas, but none of those fisheries or the sponges upon which they depend are well studied. On the basis of data and information published by J. Storr in 1964 as well as of our own data, von Bertalanffy growth parameters were estimated for the most commercially valuable Caribbean sponge, the sheepswool sponge or wool sponge (Hippospongia lachne), along with related statistics, notably longevity. Also, morphological dimensional constraints that are likely to limit the supply of oxygen deep within this and other nearspherical sponge species are presented, along with the sponges’ evolutionary and ontogenic responses to these constraints. These considerations are also illustrated with data from species other than the wool sponge and are consistent with a general theory of growth for waterbreathing ectotherms, the gilloxygen limitation theory. The information provided herein should be useful for quantifying the ecosystem effect of sponge fisheries in Florida, The Bahamas, and elsewhere and for improving the management of sponge fisheries and mariculture worldwide.","PeriodicalId":50442,"journal":{"name":"Fishery Bulletin","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45213389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Interactions, injuries, and mortalities of killer whales (Orcinus orca) observed during fishing operations in Alaska","authors":"M. Dahlheim, J. Cahalan, J. Breiwick","doi":"10.7755/fb.120.1.8","DOIUrl":"https://doi.org/10.7755/fb.120.1.8","url":null,"abstract":"","PeriodicalId":50442,"journal":{"name":"Fishery Bulletin","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44334056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. Wilborn, I. Spies, P. Goddard, C. Rooper, J. W. Orr
— The role of deepwater corals and sponges in the life history of fish species is generally unknown for the larval stage. In 2017, we deployed an autonomous plankton pump into deepwater coral habitat (depths: >50 m) to examine which species were present and captured a single rockfish larva. Using genetic methods, we identified the larva as a northern rockfish ( Sebastes polyspinis ). The unique capture of a free-swimming larva with a plankton pump in this study is the first in situ record of the use of deepwater coral habitat by rockfish larvae. Subsequent reex- amination of coral specimens captured in bottom- trawl surveys that had been conducted in the Gulf of Alaska yielded an additional 10 northern rockfish larvae and a single harlequin rockfish ( S. variegatus ) larva lodged in the pol- yps of 2 species of deepwater coral. The results of this study improve our knowledge of the early life history of rockfish species, a taxonomic group that has limited lifetime dispersal indicated by a high degree of population structure. The capture and identification of the larva also indicate a potential mechanism for larval retention in the area of their extrusion and highlight the further importance of deepwater coral habitat as essential habitat for rockfish species.
{"title":"First observation of the use of coral habitat by larval northern rockfish (Sebastes polyspinis) in the western Gulf of Alaska","authors":"R. Wilborn, I. Spies, P. Goddard, C. Rooper, J. W. Orr","doi":"10.7755/fb.120.1.7","DOIUrl":"https://doi.org/10.7755/fb.120.1.7","url":null,"abstract":"— The role of deepwater corals and sponges in the life history of fish species is generally unknown for the larval stage. In 2017, we deployed an autonomous plankton pump into deepwater coral habitat (depths: >50 m) to examine which species were present and captured a single rockfish larva. Using genetic methods, we identified the larva as a northern rockfish ( Sebastes polyspinis ). The unique capture of a free-swimming larva with a plankton pump in this study is the first in situ record of the use of deepwater coral habitat by rockfish larvae. Subsequent reex- amination of coral specimens captured in bottom- trawl surveys that had been conducted in the Gulf of Alaska yielded an additional 10 northern rockfish larvae and a single harlequin rockfish ( S. variegatus ) larva lodged in the pol- yps of 2 species of deepwater coral. The results of this study improve our knowledge of the early life history of rockfish species, a taxonomic group that has limited lifetime dispersal indicated by a high degree of population structure. The capture and identification of the larva also indicate a potential mechanism for larval retention in the area of their extrusion and highlight the further importance of deepwater coral habitat as essential habitat for rockfish species.","PeriodicalId":50442,"journal":{"name":"Fishery Bulletin","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42811968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Characterizing spawning behavior of Greenland halibut (Reinhardtius hippoglossoides) in the eastern Bering Sea and Aleutian Islands: supplementary figs. 3 and 4","authors":"K. Siwicke","doi":"10.7755/fb.120.1.5s3","DOIUrl":"https://doi.org/10.7755/fb.120.1.5s3","url":null,"abstract":"","PeriodicalId":50442,"journal":{"name":"Fishery Bulletin","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48582278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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