Figure 1 in The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae)

Figure 1. Danionellacerebrum. (a) male (ca. 10 mmSL) and (b) female (ca. 12 mmSL) inlife, notpreserved; note yellowish chromatophores dorsally on head, melanophores scattered in rows on body in both sexes, and eggs covered by large melanophores in female; (c) MTD 39985, paratype, 10.4 mm SL, male and (d) BMNH 2021.8.30.1, holotype, 12.6 mm SL, female (below), white arrows mark position of vent, which is shifed anteriorly to the pelvic fins in males; (e) Weberian apparatus in male, MTD 39992, paratype, 11.7 mm SL and (f) female, MTD 39992, paratype, 11.8 mm SL, in lateral view; the same in male (g) and female (h) in frontal view; (e) and (g) black arrowhead marks connection between lateral process and outer arm of os suspensorium, star marks connecting flanges between inner and outer arms of os suspensorium and red arrow marks posterior extension of inner arm of os suspensorium covering swimbladder dorsally. Abbreviations: cl, claustrum; dc, drumming cartilage; ios, inner arm of os suspensorium; nc, neural complex; oos, outer arm of os suspensorium; r, rib; sc, scaphium; sw, swimbladder.