diff --git a/docs/Deployment-AssetStore-Import.md b/docs/Deployment-AssetStore-Import.md
index 1c420c2dd..6283391fa 100644
--- a/docs/Deployment-AssetStore-Import.md
+++ b/docs/Deployment-AssetStore-Import.md
@@ -42,6 +42,7 @@ Place the video file (and optional siblings) in a parent directory. Import creat
 cruise_a/
   reef.mp4
   reef.csv                 ← annotations (same stem as the video)
+  reef_tracks.json         ← also accepted: {stem}_tracks or {stem}_detections
   reef_metadata.csv        ← frame metadata (video-paired name; see below)
   lagoon.mp4
   lagoon.json
@@ -80,7 +81,7 @@ Annotation formats are the same as elsewhere in DIVE ([Data Formats](DataFormats
 
 | Media | How to name / place annotations |
 |-------|----------------------------------|
-| **Video** | Same basename as the video, different extension: `reef.mp4` → `reef.csv` or `reef.json`. The sidecar may sit next to the video; import moves it into the video dataset folder. |
+| **Video** | Same basename as the video, different extension: `reef.mp4` → `reef.csv` or `reef.json`. Optional `_tracks` or `_detections` suffixes are also accepted: `reef_tracks.csv`, `reef_detections.json`. The sidecar may sit next to the video; import moves it into the video dataset folder. |
 | **Image sequence** | Any `.csv` or `.json` file inside the sequence folder. |
 
 !!! note
@@ -140,7 +141,7 @@ FPS defaults:
 ## Checklist
 
 * One dataset per video file or per image-sequence folder
-* Video annotations share the video stem (`video.mp4` ↔ `video.csv`)
+* Video annotations share the video stem (`video.mp4` ↔ `video.csv`, or `video_tracks.csv` / `video_detections.json`)
 * Image-sequence annotations live in the same folder as the frames
 * At most one frame-metadata file per dataset
 * Videos: use `{stem}_metadata.{ext}` beside the video, **or** `frame_metadata.{ext}` inside the video folder after layout
diff --git a/docs/Deployment-Storage.md b/docs/Deployment-Storage.md
index 25ec88ab1..ef4167d91 100644
--- a/docs/Deployment-Storage.md
+++ b/docs/Deployment-Storage.md
@@ -81,7 +81,7 @@ For the full bucket layout — videos, image sequences, annotation pairing, and
 
 During import, annotations associated with image sequences or videos are discovered automatically. Summary:
 
-* **Video** — annotation file (CSV or JSON) must share the video basename: `video.mp4` → `video.csv` or `video.json`.
+* **Video** — annotation file (CSV or JSON) must share the video basename: `video.mp4` → `video.csv` or `video.json`. Optional suffixes `_tracks` or `_detections` are also accepted (e.g. `video_tracks.csv`, `video_detections.json`).
 * **Image sequence** — any CSV or JSON in the same folder as the frames is imported as annotations.
 
 Optional **frame metadata** attachments (flight logs and similar) can also be discovered by reserved or video-paired filenames. Details, examples, and post-import behavior are in [AssetStore Importing and Data Structure](Deployment-AssetStore-Import.md).
diff --git a/samples/scripts/assetStoreImport/generateSampleData.py b/samples/scripts/assetStoreImport/generateSampleData.py
index 8e57b3f9f..46a7ff6a5 100644
--- a/samples/scripts/assetStoreImport/generateSampleData.py
+++ b/samples/scripts/assetStoreImport/generateSampleData.py
@@ -458,6 +458,11 @@ def write_annotations(
         generate_annotation_json(tracks, output_file)
 
 
+def _random_annotation_suffix() -> str:
+    """Optional ``_tracks`` / ``_detections`` suffix for assetstore pairing tests."""
+    return random.choice(["", "_tracks", "_detections"])
+
+
 def _annotation_extension(annotation_format: str) -> str:
     return ".csv" if annotation_format == "viame-csv" else ".json"
 
@@ -544,9 +549,10 @@ def create_video_content(
         counter["count"] += 1
 
         ext = _annotation_extension(annotation_format)
+        annotation_suffix = _random_annotation_suffix()
         write_annotations(
             duration * annotation_fps,
-            video_path.with_suffix(ext),
+            base_dir / f"{stem}{annotation_suffix}{ext}",
             annotation_format=annotation_format,
             dataset_name=video_path.stem,
             fps=annotation_fps,
diff --git a/server/dive_server/event.py b/server/dive_server/event.py
index 1c961fa99..6cd17782c 100644
--- a/server/dive_server/event.py
+++ b/server/dive_server/event.py
@@ -18,6 +18,7 @@
 
 from dive_tasks.dive_batch_postprocess import DIVEBatchPostprocessTaskParams
 from dive_utils import asbool, frame_metadata, fromMeta
+from dive_utils.assetstore_import import annotation_media_stem
 from dive_utils.constants import (
     AnnotationFileFutureProcessMarker,
     AssetstoreSourceMarker,
@@ -212,8 +213,7 @@ def process_assetstore_import(event, meta: dict):
         parentFolder = Folder().findOne({"_id": item["folderId"]})
         userId = parentFolder['creatorId'] or parentFolder['baseParentId']
         user = User().findOne({'_id': ObjectId(userId)})
-        base_name = os.path.splitext(item['name'])[0]
-        foldername = base_name
+        foldername = annotation_media_stem(item['name'])
         # check if folder with foldername exists in the parentFolder location;
         # this would be a video folder then
         possible_video_folder = Folder().findOne(
@@ -290,9 +290,9 @@ def process_dangling_annotation_files(folder, user):
             # to the plain annotation path, the same resolution process_assetstore_import uses.
 
         # Check if the corresponding video folder exists
-        base_name = os.path.splitext(item['name'])[0]
+        media_stem = annotation_media_stem(item['name'])
         video_folder = Folder().findOne(
-            {'parentId': parent_folder_id, 'name': base_name, f'meta.{TypeMarker}': VideoType}
+            {'parentId': parent_folder_id, 'name': media_stem, f'meta.{TypeMarker}': VideoType}
         )
         if video_folder is not None:
             # Move the annotation file into the video folder
diff --git a/server/dive_utils/assetstore_import.py b/server/dive_utils/assetstore_import.py
new file mode 100644
index 000000000..1fef8bbe2
--- /dev/null
+++ b/server/dive_utils/assetstore_import.py
@@ -0,0 +1,22 @@
+"""Helpers for pairing assetstore-imported files with DIVE datasets."""
+
+from __future__ import annotations
+
+import os
+
+# Optional annotation filename suffixes stripped when pairing with a video stem.
+ANNOTATION_MEDIA_SUFFIXES = ('_detections', '_tracks')
+
+
+def annotation_media_stem(annotation_filename: str) -> str:
+    """Return the media stem used to pair an annotation with a video dataset.
+
+    ``reef.csv``, ``reef_tracks.json``, and ``reef_detections.csv`` all resolve
+    to ``reef``.
+    """
+    stem = os.path.splitext(os.path.basename(annotation_filename))[0]
+    lower = stem.lower()
+    for suffix in ANNOTATION_MEDIA_SUFFIXES:
+        if lower.endswith(suffix):
+            return stem[: -len(suffix)]
+    return stem
diff --git a/server/tests/test_event_frame_metadata.py b/server/tests/test_event_frame_metadata.py
index f74cab5d9..8b6ab7166 100644
--- a/server/tests/test_event_frame_metadata.py
+++ b/server/tests/test_event_frame_metadata.py
@@ -2,6 +2,7 @@
 from unittest.mock import patch
 
 from dive_server import event
+from dive_utils.assetstore_import import annotation_media_stem
 from dive_utils.constants import (
     AnnotationFileFutureProcessMarker,
     FrameMetadataFileMarker,
@@ -87,6 +88,44 @@ def test_parse_video_paired_metadata_name():
     assert canonical_frame_metadata_name('CSV') == 'frame_metadata.csv'
 
 
+def test_annotation_media_stem():
+    assert annotation_media_stem('reef.csv') == 'reef'
+    assert annotation_media_stem('reef_tracks.json') == 'reef'
+    assert annotation_media_stem('reef_detections.CSV') == 'reef'
+    assert annotation_media_stem('path/to/clip_tracks.json') == 'clip'
+    assert annotation_media_stem('clip_metadata.csv') == 'clip_metadata'
+
+
+@patch('dive_server.event.User')
+@patch('dive_server.event.Folder')
+@patch('dive_server.event.Item')
+def test_assetstore_import_moves_tracks_annotation_to_video_folder(item_cls, folder_cls, user_cls):
+    item = {'_id': 'i1', 'name': 'reef_tracks.csv', 'meta': {}, 'folderId': 'parent'}
+    item_model = item_cls.return_value
+    item_model.findOne.return_value = item
+    parent_folder = {'_id': 'parent', 'creatorId': _OWNER_ID, 'baseParentId': None, 'meta': {}}
+    video_folder = {'_id': 'video', 'name': 'reef', 'meta': {TypeMarker: VideoType}}
+    folder_model = folder_cls.return_value
+
+    def find_one(query):
+        if query == {'_id': 'parent'}:
+            return parent_folder
+        if query == {'parentId': 'parent', 'name': 'reef'}:
+            return video_folder
+        return None
+
+    folder_model.findOne.side_effect = find_one
+    user_cls.return_value.findOne.return_value = {'_id': _OWNER_ID}
+
+    event.process_assetstore_import(
+        _event({'type': 'item', 'importPath': '/data/reef_tracks.csv', 'id': 'i1'}),
+        {},
+    )
+
+    item_model.move.assert_called_once_with(item, video_folder)
+    assert AnnotationFileFutureProcessMarker not in item['meta']
+
+
 @patch('dive_server.event.File')
 @patch('dive_server.event.User')
 @patch('dive_server.event.Folder')
@@ -397,3 +436,39 @@ def find_one(query):
     assert item['meta'][AnnotationFileFutureProcessMarker] is False
     item_model.move.assert_called_once_with(item, video_folder)
     assert MetadataFileItemIdMarker not in video_folder['meta']
+
+
+@patch('dive_server.event.Folder')
+@patch('dive_server.event.Item')
+def test_dangling_moves_detections_annotation_to_video_folder(item_cls, folder_cls):
+    item = {
+        '_id': 'i1',
+        'name': 'reef_detections.json',
+        'meta': {AnnotationFileFutureProcessMarker: True},
+        'folderId': 'parent',
+    }
+    item_model = item_cls.return_value
+    item_model.find.return_value = [item]
+    item_model.save.side_effect = lambda doc: doc
+    parent_folder = {'_id': 'parent', 'meta': {}}
+    video_folder = {'_id': 'video', 'name': 'reef', 'meta': {TypeMarker: VideoType}}
+    folder_model = folder_cls.return_value
+
+    def find_one(query):
+        if query == {'_id': 'parent'}:
+            return parent_folder
+        if query == {
+            'parentId': 'parent',
+            'name': 'reef',
+            f'meta.{TypeMarker}': VideoType,
+        }:
+            return video_folder
+        return None
+
+    folder_model.findOne.side_effect = find_one
+    folder_model.childFolders.return_value = []
+
+    event.process_dangling_annotation_files({'_id': 'parent'}, {'_id': _OWNER_ID})
+
+    assert item['meta'][AnnotationFileFutureProcessMarker] is False
+    item_model.move.assert_called_once_with(item, video_folder)