Dondice trainitoi

Dondice trainitoi Furfaro & Mariottini, 2020

Dondice trainitoi @ Kalami, Crete (Greece) 14-02-2020 by Emmanouil Darakis

Taxonomy
 

Superdomain

Biota  

 

Kingdom

Animalia  

 

Phylum

Mollusca  

 

Class

Gastropoda  

 

Subclass

Heterobranchia  

 

Infraclass

Euthyneura  

 

Subterclass

Ringipleura  

 

Superorder

Nudipleura  

 

Order

Nudibranchia  

 

Suborder

Cladobranchia  

 

Superfamily

Aeolidioidea  

 

Family

Myrrhinidae  

 

Genus

Dondice  

 

Species

Dondice trainitoi  Furfaro & Mariottini, 2020

 
 Classification according to Bouchet et al. (2017)
Taxonomic source: World Register of Marine Species (AphiaID: 1419073).
Description
The body is small (8-15mm), but slender and elongated, coloured translucent cream with bright white spots along the border of the foot, oral foot corners and tail. A characteristic iridescent light blue band runs along the dorsum, backwards to the tail and forward to the head where it bifurcates until the half part of the oral tentacles. Two lateral lines of the same color are present on the dorsum, running from the sides of the head below the rhinophores, to the tail where they join the median line, while becoming narrower and lighter along the body. Rhinophores are basally smooth with 6-17 (usually 10-12) dish shaped lamellae on the distal end, with a cylindrical tip. There is a bright white/yellowish stripe in the distal end, wider anteriorly as in cerata. On the head, characteristic black jaws are visible by transparency. Eyes located at the base of the rhinophores. Oral tentacles are longer than the rhinophores, cylindrical and elongated with a bright band of the same white/yellowish of the rhinophores. Cerata are slender and cylindrical, coloured translucent cream with a yellowish digestive gland inside that turns increasingly orange towards the tip. The distal part of the cerata has a bright yellowish ring, larger in the anterior part than in the back. There are 4-5 clusters of two rows of cerata each, except the last group that only has one row. The first group has 22-24 cerata and is located ahead of the precardiac area, the two median groups have 16-18 and 14-18 cerata respectively, and the last group has a single row of 5-6 cerata. The foot is narrow with a bilabiate anterior part that extends into two well-defined propodial tentacles.

Biology
Most of the specimens found so far were living over two nearby shipwrecks covered of torn trawling nets, feeding on hydroid colonies covering these nets. The rest were found on hydroid colonies on a coralligenous rocky bottom. All findings have been from late May to early September, at depths rounding 30 m of water. It has been observed that D.trainitoi can autotomize its cerata when disturbed, something that similar species like D.banyulensis can not do. Due to its recent description, little else is known of this species.

Etymology

  • Trainitoi. Named after Egidio Trainito, expert in nudibranch biology and Mediterranean marine
    biodiversity, underwater photographer and good friend of the authors.

Distribution
So far this species is only known from the Italian coast: off Civitavecchia (the type locality), Portofino MPA and the island of Procida (Naples), and also from the West coast of Crete (Greece). Due to its similarities, reports of juvenile Dondice banyulensis should be revised, particularly black jaws are a distinctive trait for D.trainitoi, while D.banyulensis has reddish jaws, both easily viewed by transparency on the head.

Known georeferenced records of the species: Dondice trainitoi
Sources:
: OBIS
: GROC 2010-2011
: Enric Madrenas
: João Pedro Silva
: Bernard Picton
: GBIF.ORG
: OPK
: VIMAR
: Manuel Ballesteros.
: M@re Nostrum
: Altres fonts
: Marine Regions

Abundance

    Western Mediterranean:1 out of 5 stars
    Eastern Mediterranean:0 out of 5 stars
    Atlantic Ocean:0 out of 5 stars
Month

This chart displays the monthly observation probability for Dondice trainitoi based on our own records.

More pictures

Bibliography

Further reading

Cite this article as:

Miquel Pontes (2012-2020) "Dondice trainitoi" in OPK-Opistobranquis, Published: 15/02/2020, Accessed: 04/04/2020 at (https://opistobranquis.info/en/lfIET)

In order to copy this cite or text fragments you must be a registered user.