search DOI 10.17882/52943

RadeICHTHYO : Abundance of settlement-stage fish larvae (ichthyoplankton) in the bay of Villefranche-sur-mer

Most coastal fishes display a bipartite life history, whereby adults live on the coast and are quite sedentery but produce larvae that are pelagic for a few days to a few weeks. The outcome of this pelagic episode influences future stocks of adults as well as the connectity among coastal populations.

We monitor the supply of larvae to the bay of Villefranche-sur-Mer (43.69°N, 7.315°E) by capturing settling larvae using CARE light-traps. Traps are set in the evening and collected the next morning, usually every week (with some variations: more intense effort during some periods and some missing dates due to weather constraints).

Here we report:

  • the date of collection of the traps (`date`)
  • the identification of organisms (`family`, `genus`, `species`; when individuals can only be identified to family or genus, the subsequent fields are left blank)
  • the number of individuals caught (`n`)
  • the number of traps set (`sampling_effort`)
  • the Catch Per Unit Effort (`cpue`=`n`/`sampling_effort`)
  • the location of sampling (`lat` and `lon` of the bay of Villefranche-sur-Mer).

All coastal fish species caught are reported so if a species is not reported on a given date, it can be considered absent (even though it is not explicitely set to 0 in the file). Nights over which no coastal fish larvae were caught are reported with empty identification and 0 for `n` and `cpue`.

This dataset can be dynamically explored at http://www.obs-vlfr.fr/data/view/fish/rade/.

Disciplines

Biological oceanography, Fisheries and aquaculture

Parameters

Fish abundance in water bodies

Devices

passive fishing gear

Keywords

fish, larvae, ichthyoplankton, recruitment, settlement, light-trap, CARE

Species

Apogon imberbis (cardinal fish) , Atherina boyeri (big-scale sand smelt, big-scale sand-smelt, big-scale sand-smelt) , Atherina hepsetus (Mediterranean sand smelt) , Belone belone (garfish, sea needle) , Boops boops (bogue) , Chelidonichthys lucerna (tub gurnard, sapphirine gurnard, tub, tub gurnard) , Pagellus acarne (axillary seabream, axillary sea-bream, Spanish sea-bream) , Pagellus erythrinus (pandora) , Pagrus pagrus (common seabream, Couch's sea-bream, red porgy) , Parablennius gattorugine (tompot blenny) , Chromis chromis (damselfish) , Conger conger (conger, conger eel, European conger) , Dentex dentex (common dentex, dentex) , Diplodus annularis (annular sea bream) , Diplodus puntazzo (sharp snout bream, sheepshead sea bream) , Diplodus vulgaris (two banded sea bream) , Engraulis encrasicolus (anchovy, European anchovy, Southern African anchovy) , Epinephelus marginatus (dusky grouper, dusky perch) , Gaidropsarus mediterraneus (shore rockling, three bearded rockling) , Gymnammodytes cicerelus (Mediterranean sand eel) , Hippocampus hippocampus (seahorse, short-snouted seahorse) , Lipophrys trigloides, Lithognathus mormyrus (striped seabream) , Micromesistius poutassou (blue whiting, poutassou) , Mugilidae (mullets) , Mullus barbatus (red mullet) , Mullus surmuletus (goatfish, mallette, red mullet, striped red mullet, surmullet) , Oblada melanurus (saddled sea bream, saddled seabream) , Parablennius incognitus, Parablennius pilicornis, Parablennius rouxi, Parablennius tentacularis, Parablennius zvonimiri, Salaria pavo , Sardina pilchardus (European pilchard, European pilchard (=sardine), pilchard, sardine) , Sarpa salpa (salema, Saunders's tern ) , Schedophilus ovalis (imperial blackfish) , Sciaena umbra (brown meagre) , Scorpaena porcus (black scorpionfish, black scorpion-fish) , Scorpaena scrofa (largescaled scorpionfish, red scorpionfish, red scorpion-fish) , Serranus hepatus, Spicara smaris (picarel) , Spondyliosoma cantharus (black seabream, Black Sea-bream) , Syngnathus springeri (bull pipefish)

Location

43.706359N, 43.679549S, 7.330284E, 7.302818W

Devices

CARE light traps

Lecaillon G (2004) The “ C.A.R.E.” (collect by artificial reef eco- friendly) system as a method of producing farmed marine animals for the aquarium market: An alternative solution to collection in the wild. SPC Live Reef Fish Information Bulletin 12(February):17–20 

https://www.ecocean.fr/wp-content/uploads/A4-CARE-ENG-juin-2017-MAIL.pdf

Data

FileSizeFormatProcessingAccess
Record of captures of coastal fish larvae
73 KoCSVQuality controlled data
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How to cite
Irisson Jean-Olivier, Faillettaz Robin, Petit Franck, de Liège Guillaume (2018). RadeICHTHYO : Abundance of settlement-stage fish larvae (ichthyoplankton) in the bay of Villefranche-sur-mer. SEANOE. https://doi.org/10.17882/52943

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