EGG INFORMATION
Egg Diameter (min-max in mm): 1.51 - 1.8
Number of Oil Globules (min-max): 1
Oil Globule Diameter (min-max in mm): 0.3 - 0.44
Yolk: Homogeneous
Chorion: Clear, smooth
Egg/Embryo Pigment: yolk, oil globule, dorsal, ventral, pvm, finfold, notochord tip,
Pigment Diagnostics: Diagnostic Characters:
LARVAE INFORMATION
Hatch Size (min-max in mm SL): Preanal Length (%SL): 50 - 58
Flexion Length (in mm SL): ~9.3 - 11
Length at Transformation (in mm SL): ~20
Fin Development Sequence: Caudal, dorsal rays, anal, pectorals, dorsal spines, pelvics
Larval Pigment Regions: In each developmental larval stage, pigment is present in the regions listed below
(click for
pigment regions)
Yolk-sac: yolk, crown, dorsal gut, ventral gut, dorsal, ventral, caudal,
Preflexion: mouth, crown, nape, cheek, isthmus, dorsal gut, ventral gut, dorsal, ventral, caudal,
Flexion: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, ventral gut, dorsal finfold, anal finfold, caudal finfold, dorsal, ventral, mediolateral, caudal,
Postflexion: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, ventral gut, dorsal finfold, anal finfold, caudal finfold, pectoral fin, dorsal, ventral, mediolateral, caudal,
Juvenile: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, ventral gut, dorsal finfold, anal finfold, caudal finfold, pectoral fin, dorsal, ventral, mediolateral, caudal,
Pigment Diagnostics: Distinguished from Tetragonurus cuvieri by: in preflexion, dorsal body pigment over posterior half of body (only on posterior 1/4 body in T. cuvieri)
Diagnostic Characters: Preanal myomeres decrease in number with development1. Distinguished from Tetragonurus cuvieri by: high myomere counts (56-62); preflexion: dorsal body pigment over posterior half of body (only on postrior 1/4 body in T. cuvieri); flexion: no preopercular spines; postflexion: dorsal and anal spines weak, few (3) dorsal spines, more dorsal- (34-43) and anal-fin (20-29) rays than in T. cuvieri
