Species: Kyphosus bigibbus, Darkfin Sea Chub, Darkfin seachub

fins dark

line along A border extends along top C edge
Kyphosus biggibus Lacepede, 1801
Darkfin seachub, Gray seachub
Body oval, compressed; small pointed head; snout relatively short, no distinct hump before eye; mouth small, opens at front, slightly oblique; the top jawbone slips partially under the under-eye bone when the mouth is closed; teeth immovable incisiform, bases set horizontally in mouth, rounded tips and a curved, hockey-stick shape; teeth on center of roof of mouth and on tongue; gill rakers 22 (19-23 = 5-8+13-17); dorsal fin continuous, XI spines that fold down into a scaly groove, 11-12 rays; tail fin forked, but not deeply; anal rays III, 10-12; soft dorsal and anal fins moderately high; anal fin with long base (18.1-24.8% SL), a line drawn along its lower edge of soft fin extending back along upper edge of tail fin; pectoral fin relatively short (13.6-21.3% SL); origin of the pelvics behind the base of the pectoral fin; scales small, thick and rough, covering the body & head (except forward of eyes) and soft portions of the median fins; scales present between eyes; lateral line scales 61-76, 51-60 with pores; longitudinal scales 54-70 (the row from the edge of the operculum to the end of the tail base, where it lies immediately under the lateral line scale row); cheek scales 9-16.
Plain grey to brownish, silvery below, back with bronze to greenish tone, body with weak dark stripes; cheek and area below eye usually with a whitish streak; dorsal & anal fins often dark, soft parts with black edges; dark patch sometimes present at lower rear corner of pectoral fin base; tail fin often dark.
Size: attains 60 cm.
Habitat: rocky areas, coral reefs.
Depth: 0-40 m?
The Indo-central Pacific and scattered localities in the east, central and NW Atlantic; in the Greater Caribbean.currently known only from Panama and Bermuda, but probably more widespread.. Also in Brazil
Note: Easily confused with K. sectatrix, the Bermuda sea-chub (also known as the beaked sea-chub). However, K. sectatrix has more gill rakers (26 (23-38)), and does not have dark fins.

High Resolution Map Download
- Salinity
-
- Marine Only
- Marine
- Inshore/Offshore
-
- Inshore
- Inshore Only
- Water Column Position
-
- Bottom
- Surface
- Mid Water
- Bottom + water column
- Habitat
-
- Rocks
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Water column
- Flotsam
- Reef only
- FishBase Habitat
-
- Reef Associated
- Feeding Group
-
- Herbivore
- Omnivore
- Data
- Diet
-
- Mobile benthic worms
- Data
- Benthic microalgae
- Benthic macroalgae/seagrasses
- Egg Type
-
- Pelagic larva
- Data
- Pelagic
- Global Endemism
-
- All species.
- Circumtropical ( Indian + Pacific + Atlantic Oceans)
- Greater Caribbean non-endemic
- Regional Endemism
-
- Also in Brazil
- Extends South of GC
- Island (s)
- GC non-endemic
- Continent
- Continent + Island (s)
- All species..
- Residency
-
- Resident
- Climate Zone
-
- Equatorial (0-10N, Costa Rica / Venezuela)
- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- Tropical (10-23N, Nicaragua / Cuba)
- IUCN Red List
-
- Listed
- Least concern
- CITES
-
- Not listed
- Length Max
-
- 60
- Depth Range Min
-
- 0
- Depth Range Max
-
- 40