| Common names: serrano (English), guaseta (Espanol) |
Serranus stilbostigma (Jordan & Bollmann, 1890)
Body elongate, moderately compressed; snout sharp, profile from tip of snout to dorsal origin straight; lower jaw strongly projecting; mouth reaches to under middle of eye, large (25% of head length); space between eyes convex, ridged; preopercle regularly serrated, no spur with enlarged spines; 9 lower gill rakers; dorsal X, 12, both sections low; anal III, 7, 2nd spine strongest, ~ same length as 3rd; pelvics inserted before pectoral base; tail concave, upper tip longer; pectorals reach to anus; scales rough, relatively large, 11 rows on cheek, 58 lateral line scales.
Head and body red, breast orange; a few small pale spots on cheek and opercle; front of back with indistinct dark and light speckles; a square black spot on body below front of soft dorsal fin, from lateral line to bases of several rays; behind this 3 smaller black spots on top of back and dorsal base; a row of ~ 10 black spots along mid-flank under soft dorsal to tail base, with faint irregular dark spots below this row; a large oblique cream bar extends from midbelly (at level of pelvic tip) to lateral line; spiny dorsal with 3 rows dark spots separated by pale streaks, soft dorsal with several basal dark spots, and a pale medial stripe above; upper ½ of tail red, with a few small black spots, lower ½ black; outer half of anal and pelvics dark; pectoral pale.
Size: 14.5 cm.
Habitat: rocky bottom.
Depth: 80-200 m.
Galapagos and Ecuador.
Global Endemism: All species, East Pacific endemic, Tropical Eastern Pacific (TEP) endemic
Regional Endemism: All species, TEP endemic, TEP oceanic island (s) endemic, Galapagos Islands endemic, Island (s), Island (s) only
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
Catalog Number: USNM 44278
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1888
Locality: Galapagos Islands, Pacific
Depth (m): 82 to 82
Inshore/Offshore: Inshore, Inshore Only
Water Column Position: Bottom, Bottom only
Habitat: Reef (rock &/or coral), Reef only, Rocks, Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat: Reef Associated
Habitat and Ecology
Water temperature and chemistry ranges based on 1 sample.
Depth range (m): 82 - 82
Temperature range (°C): 16.327 - 16.327
Nitrate (umol/L): 20.312 - 20.312
Salinity (PPS): 35.024 - 35.024
Oxygen (ml/l): 2.342 - 2.342
Phosphate (umol/l): 1.625 - 1.625
Silicate (umol/l): 15.955 - 15.955
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Diet: mobile benthic crustacea (shrimps/crabs), octopus/squid/cuttlefish, bony fishes
Life History and Behavior
CITES: Not listed
IUCN Red List Assessment
Red List Category
Red List Criteria