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Early development of the endemic dace Telestes karsticus, Marčić & Mrakovčić, 2011 (Leuciscidae, Actinopteri)

Zoran Marčić1, Ana Abramović1, Marko Ćaleta2, Ivana Buj1, Davor Zanella1, Sven Horvatić1 and Perica Mustafić1*
  • 1 Faculty of Science, University of Zagreb, Croatia
  • 2 Faculty of Teacher Education, University of Zagreb, Croatia

Early development of the endemic dace Telestes karsticus is described. Larvae were acquired from successful artificial spawning in an aquarium. Basic morphometric and meristic measures of larvae were taken during 55 days of observation. The mean total length of larvae at the time of hatching was 6.45 mm. The yolk sac was completely absorbed in all larvae by Day 9 post-hatching (PH), when the mouth also opened and independent feeding and intestinal function were observed. Flexion of the urostyle was completed between Days 12-16 PH. The caudal fin became completely forked on Day 23 PH. Formation of fin rays was complete on Day 48 PH when fish fully resembled juvenile specimens. The number of soft ray fins corresponds to the holotype.

Keywords: Endemic fish, juvenile, karst, Larvae, Croatia

Conference: XVI European Congress of Ichthyology, Lausanne, Switzerland, 2 Sep - 6 Sep, 2019.

Presentation Type: Poster

Topic: MORPHOLOGY, ONTOGENY AND PALAEONTOLOGY

Citation: Marčić Z, Abramović A, Ćaleta M, Buj I, Zanella D, Horvatić S and Mustafić P (2019). Early development of the endemic dace Telestes karsticus, Marčić & Mrakovčić, 2011 (Leuciscidae, Actinopteri). Front. Mar. Sci. Conference Abstract: XVI European Congress of Ichthyology. doi: 10.3389/conf.fmars.2019.07.00081

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Received: 28 May 2019; Published Online: 14 Aug 2019.

* Correspondence: Prof. Perica Mustafić, Faculty of Science, University of Zagreb, Zagreb, Croatia, perica.mustafic@biol.pmf.hr