4b. Snout pointed; eye about twice or more in snout. ..5 5a. A black blotch above origin of anal; third anal spine longer than eye; head longer than depth;eye 3.0-3.6. ......... L. rhodopterus 5b . No black blotch above origin of anali; third anal spine as long as eye; head as long as depth;eye 3.4-4.1...... L.nebulosus