Specimen Information

Apalone spinifera
Apalone spinifera
(Spiny Softshell)
Reptiles-Turtles
Native Transplant
Collection Info
Point Map
Species Profile
Animated Map

Specimen ID860017
GroupReptiles-Turtles
GenusApalone
Speciesspinifera
Common NameSpiny Softshell
StateCA
CountySan Joaquin
LocalitySan Joaquin River, 20 minute boat ride upstream from the Mossdale boat launch
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameLone Tree Creek-San Joaquin River
HUC10 Number1804000302
HUC12 NameWalthall Slough-San Joaquin River
HUC12 Number180400030203
Map
Collection Day18
Collection Month3
Collection Year2015
Year AccuracyActual
Potential Pathwayreleased pet
Statusunknown
Record TypePersonal communication
Freshwater/MarineFreshwater
Photo
Apalone spinifera

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.