Table 1.

Comparative meristic information of the five species of Danionella. Information for D. mirifica, D. dracula and D. priapus taken from Britz^4,5 and Britz et al.^6,8. Counts of D. cerebrum (n = 32) based on MTD 39986, MTD 39987 and MTD 39989, those of D. translucida (n = 28) on MTD 39992, MTD 39993.

	D. cerebrum	D. translucida	D. mirifica	D. dracula	D. priapus
Dorsal-fin rays	8–9	8–9	8–10	7–8	9–10
Anal-fin rays	15–18	12–15	17–20	12–14	20–21
Principal caudal-fin rays	9 + 9	8–9 + 8–9	9 + 9	7–8 + 7–8	9 + 9
Dorsal procurrent caudal-fin rays	5–8	5–7	5–6	3–4	7–8
Ventral procurrent caudal-fin rays	5–8	3–7	6–7	2–3	6–8
Pectoral-fin rays	6	6–7	6–7	7	8
Pelvic-fin rays	5	5	5	6	5
Vertebrae	33–35	32–34	36–37	36–37	37–38
Abdominal	13–14	12–14	14–15	15–16	15–16
Caudal	19–21	19–21	21–22	20–22	22–23
Ribs	7–8	7–8	7–9	8	10
Anal-fin pterygiophores	14–17	11–14	16–19	11–13	19–20
Insertion of anal-fin pterygiophores	22–24	19–21	23–25	23–24	27–28