Fishes Interlock
M/F · Vaginal penetration · Receiving partner on top
Posed figure
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Keypoint template
Attributes
- Position family
- One-on-one
- Primary act
- Vaginal penetration
- Partner arrangement
- Receiving partner on top
- Penetration type
- Vaginal
- Facing
- Face to face
- Dynamics
- Riding
- Support / surface
- Flat surface / bed
- Participant count
- Two
- Composition code
- M/F
- Source medium
- Illustrative
- Physical difficulty
- Low
- Prevalence in adult media
- Common
- Intensity tier (compliance)
- Explicit
Common camera framing
Description: The receiving partner takes the top facing the penetrating partner, with the legs interlocked rather than simply straddling. The interlock is what the classical name marks: the legs alternate rather than sitting outside, which keeps the pelvises tighter than a plain straddle.
Variations: One leg through, both through, or a straddle with the ankles hooked behind. Unhooking returns it to a standard astride position.
On camera: The leg weave is only visible low and in profile. From above it reads as an ordinary cowgirl, which is why the name rarely survives into modern catalogs.
AI design considerations: Alternating legs between two figures with the upper one upright. As with the fitter-in, the weave order has to be decided explicitly or the limbs merge.
Historical provenance
Where this position appears in historical sex manuals, erotic art & literature · full timeline →
- Fishes InterlockChinese (Han dynasty tradition) →
Su Nü Jing (Classic of the Plain Girl) — attributed to the Plain Girl dialogues with the Yellow Emperor · c. 2nd century BCE–2nd century CE; preserved in the Japanese Ishimpō (984 CE)
Seventh of the Nine Ways: the receiving partner astride and facing.
Related positions
Part of the Erotic Pose Catalog open dataset · CC BY 4.0 · keypoints are idealised COCO-17 templates.