Fig. 4 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 4. Xenurobrycon varii, anal-fin rays: (a) left side, MPEG 26591, male, 15.0 mm SL, with bilateral, antrorse hooks; (b) right side (inverted), MPEG 26592, male, 13.5 mm SL, with well-developed lamellar process on pterygiophores. Scale bars = 1 mm and 0.25 mm respectively.