| Specimen ID | 165372 |
| Group | Marine Fishes |
| Genus | Tridentiger |
| Species | trigonocephalus |
| Common Name | Chameleon Goby |
| State | CA |
| County | Contra Costa |
| Locality | Delta Protective Facility near Byron, trib. of San Joaquin River |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Old River |
| HUC10 Number | 1804000306 |
| HUC12 Name | Lower Old River |
| HUC12 Number | 180400030605 |
| Map | |
| Collection Day | 5 |
| Collection Month | 3 |
| Collection Year | 1987 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 743 |
| Author: | Raquel, P.F. |
| Date: | 1988 |
| Title: | Record of the chameleon goby, Tridentiger trigonocephalus, from the Sacramento-San Joaquin Delta. |
| Journal: | California Fish and Game |
| Volume: | 74 |
| Issue: | 1 |
| Pages: | 60-61 |
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| Comments | farthest upriver this species has been collected; temp 12.5C; 3.2ppt salinity |
| Record Type | Literature |
| Earliest Record | drainage |
| Disposal | Cal. Fish and Game, Stockton |
| Verifier | Kathy Hieb - Cal. Dept Fish and Game, Stockton |
| Freshwater/Marine | Freshwater |
| Size | 91 mm TL; 11.4 g |
