Diplecogaster tonstricula, a new species of cleaning clingfish (Teleostei: Gobiesocidae) from the Canary Islands and Senegal, eastern Atlantic Ocean, with a review of the Diplecogaster-ctenocrypta species-group Author Fricke, Ronald Lauda-Königshofen, Germany; & Zoology, Staatliches Museum für Naturkunde in Stuttgart, Stuttgart, Germany; Author Wirtz, Peter Centro de Ciências do Mar, Universidade do Algarve, Faro, Portugal; Author Brito, Alberto BIOECOMAC, UD de Ciencias Marinas, Sección de Biología, Facultad de Ciencias, Universidad de La Laguna, La Laguna, Tenerife, Spain text Journal of Natural History 2015 2015-08-31 50 731 748 http://dx.doi.org/10.1080/00222933.2015.1079659 journal article 21292 10.1080/00222933.2015.1079659 5b8d9e7d-dcf7-4ff0-b063-4f0843203f7b 1464-5262 3989731 01E9C7DC-5979-40B6-A356-DF5731265F11

Table 1. Comparison of counts and proportions of the species of Diplecogaster. Character states significantly differing from those of the new species are printed in bold face.

	D. tonstricula sp. nov.	D. bimaculata	D. ctenocrypta	D. euxinica	D. megalops	D. pectoralis
Maximum SL (mm)	23	49	16	48	26	27
Dorsal-fin rays	9	5–7	9	5–8	4–5	7
Anal-fin rays	8	4–6	8	4–7	3–4	6–7
Pectoral-fin rays	24–25	20–25	25	21–26	22–25	25–26
Caudal-fin rays	14–15	19–21	16	12–14	10–15	21–22
Gill rakers on 3rd arch	13–16	7–11	18	7–10	6–9	8–11
Disc length in SL	4.7–5.2	3.4–4.3	3.9	3.2–4.8	3.4–4.0	3.9–4.6
Head length in SL	2.7–2.8	2.4–3.1	2.5	2.3–3.3	2.6–3.0	2.5–2.8
Head width in SL	4.2	3.2–4.8	6.0	3.1–4.7	3.2–3.7	3.6–4.2
Eye diameter in head length	3.2–3.5	3.7–4.9	3.5	3.2–6.1	2.3–3.6	3.2–3.9
Papilla rows in disc region A	3	4–7	4	3–7	4–5	3–5
Papilla rows in disc region B	4	3–5	4	3–5	5–7	3
Papilla rows in disc region C	2	5–9	5	4–9	3–4	6
Position of anus	Closer to anal fin than to disc	In middle between disc and anal fin	Much closer to anal fin than to disc	In middle between disc and anal fin	In middle between disc and anal fin	In middle between disc and anal fin
Lateral papillae in disc region A	Absent	Present	Present	Present	Present	Present
Distribution	Canary Is., Senegal	Mediterranean to Norway	Canary Is.	Black Sea	South Africa	Canary Is., Madeira, Azores