CONTENTS 



Page 



Introduction 1 



Materials and methods 2 



Summary of larval characters of Scorpaenidae with emphasis on those important in identifying genera ... 3 



Keys to larvae of eastern Pacific scorpaenid genera 7 



Description of life history series 7 



Sebastes Cuvier 8 



Sebastes paucispinis (Ayres), Figure 5 9 



Sebastes macdonaldi (Eigenmann and Beeson), Figure 7 16 



Sebastes jordani Gilbert, Figure 9 18 



Sebastes leuis (Eigenmann and Eigenmann), Figure 11 22 



Sebastes cortezi (Beebe and Tee-Van), Figure 13 22 



Sebastes sp. — Gulf of California Type A, Figure 15 26 



Sebastes marinus (Linnaeus), Figure 17 26 



Sebastes viuiparus (Kr«fyer), Figure 20 31 



Sebastes fasciatus (Storer), Figure 21 33 



Sebastes capensis (?) (Gmelin), Figure 21E 35 



Sebastes — northwestern Pacific species. Figure 22 36 



Heliocolenus Goode and Bean 38 



Helicolenus dactylopterus (Delaroche), Figure 23 38 



Sebastolobus Gill 40 



Sebastolobus altivelis Gilbert, Figures 24 and 25 43 



Sebastolobus alascanus Bean, Figure 26 46 



Trachyscorpia Ginsburg 46 



Scorpaenodes Bleeker 48 



Scorpaenodes xyris (Jordan and Gilbert), Figures 27-29 50 



Scorpaena Linnaeus 54 



Scorpaena guttata Girard, Figure 31 55 



Scorpaena Type A, Figure 33 57 



Pontinus Poey 60 



Pontinus Type A, Figure 35 61 



Pontinus Type B, Figure 37 64 



Ectreposebastes Garman 67 



Ectreposebastes imus Garman, Figure 39 67 



Acknowledgments 69 



Literature cited 69 



Figures 



1. Larvae of Sebastes (subgenus Sebastomus) removed from pregnant females and cultured to the point 



of yolk exhaustion 10 



2. Larvae of Sebastes at stage of yolk exhaustion 11 



3. Larvae of Sebastes at stage of yolk exhaustion 12 



4. Larvae of Sebastes at stage of yolk exhaustion 13 



5. Developmental series of Sebastes paucispinus 14 



6. Stations at which larvae of Sebastes paucispinis were collected by CalCOFI plankton surveys during 



1953 and 1956 15 



7. Developmental series of Sebastes macdonaldi 17 



8. Stations at which larvae oi Sebastes macdonaldi were collected during 4 yr (1953, 1960, 1965, and 1966) 



of CalCOFI plankton surveys 18 



9. Developmental series of Sebastes jordani 19 



10. Stations at which larvae of Sebastes jordani were collected by CalCOFI plankton surveys during 1966 21 



11. Developmental series of Sebastes levis 23 



12. Stations at which larvae of Sebastes levis were taken during 4 yr (1951, 1955, 1968, and 1969) of Cal- 

 COFI plankton surveys 24 



13. Developmental series of Sebastes cortezi 25 



iii 



