{"refrec":{"BRefID":134362,"RR":"<b>Fonds, M.</b> (1970). Remarks on the rearing of gobies (<i>Pomatoschistus minutus</i> and <i>P. lozanoi</i>) for experimental purposes. <i>Helgol. Mar. Res. 20(1-4)</i>: 620-628","BEntID":128290,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Helgol. Mar. Res. 20(1-4)</i>: 620-628","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fonds, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fonds, M.","Englishabstract":"1. During an investigation on the numerical variations in vertebral counts of <i>Pomatoschistus minutus</i> (33 vertebrae) und <i>P. lozanoi</i> (32 vertebrae), larvae of these closely related gobies were reared from eggs to young fish.2. From 1963 to 1965, rearing was not very successful; it yielded 34 to 220 young fish with estimated survival rates of the larvae between 2 and 10 %. Rearing methods were improved and yielded 66 % survival in 1966; 1,585 young fish were reared from 2,400 larvae; in some experimental groups survival was approximately 90 %.3. The seawater of the closed rearing system used in 1966 was treated with ozone; antibiotics were added in concentrations of 20 I.U. penicillin G + 10µg streptomycin per ml seawater.4. The larvae were fed natural zooplankton, washed and sieved through plankton gauze of different mesh sizes.5. A description is given of the rearing method used in 1966 and the development of <i>Pomatoschistus lozanoi</i> larvae.6. Growth rates of the larvae were in the order of 21 to 39 mm increase in length per 100 days at 14° to 16° C. The larvae changed to bottom life 31 days after hatching at a total length of approximately 12 mm.7. Eggs of <i>Pomatoschistus lozanoi</i> (32 vertebrae), incubated at temperatures of 10° to 20° C until attainment of the \"eyed egg\" stage, yielded offspring (hatched and raised at 16° C) with a mean vertebral number of 31.90 (n=1,585) and a variation in mean vertebral number for the various experimental groups from 31.73 (n=206) to 32.13 (n=122 vertebrae). Crossings of fishes with 32 vertebrae and 33 vertebrae yielded offspring with a mean vertebrae number of 32.44 (n=34), 32.55 (n=107) and 32.65 (n=118), respectively.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Remarks on the rearing of gobies (<i>Pomatoschistus minutus</i> and <i>P. lozanoi</i>) for experimental purposes","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1970,"MonPub":null,"DateUpdate":"2009-04-27","DateCreate":"2009-04-27","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":134362,"PubliDate":1970,"Pagination":"620-628","XtraPublOfAnaID":null,"ISBN":null,"Volume":"20","Issue":"1-4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45639,"SerRR":"Helgoland Marine Research. Springer: Berlin; Heidelberg.  ISSN 1438-387X; e-ISSN 1438-3888","StandardTitleSer":"Helgoland Marine Research","ISSN":"1438-387X","AbbrevSer":"Helgol. Mar. 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