Figure 42.1 - 42.12. 42.1. Brachyistius frenatus (Kelp Perch); body region A; scale bar = 1.0 mm. 42.2. Brachyistius frenatus (Kelp Perch); body region A; scale bar = 1.0 mm. 42.3. Brachyistius frenatus (Kelp Perch); body region C; scale bar = 1.0 mm. 42.4. Brachyistius frenatus (Kelp Perch); body region E; scale bar = 1.0 mm. 42.5. Brachyistius frenatus (Kelp Perch); body region E; scale bar = 1.0 mm. 42.6. Brachyistius frenatus (Kelp Perch); body region G; scale bar = 1.0 mm. 42.7. Brachyistius frenatus (Kelp Perch); body region I; scale bar = 1.0 mm. 42.8. Brachyistius frenatus (Kelp Perch); body region I; scale bar = 1.0 mm. 42.9. Brachyistius frenatus (Kelp Perch); body region J; scale bar = 1.0 mm. 42.10. Brachyistius frenatus (Kelp Perch); body region J; scale bar = 1.0 mm. 42.11. Brachyistius frenatus (Kelp Perch); body region J; scale bar = 1.0 mm. 42.12. Brachyistius frenatus (Kelp Perch); sketch of living specimen; length = 20 cm.  (To see enlargement, click on image.)